Arbor Dianæ Ar"bor Di·a"næ [ Latin , the tree of Diana, or silver.] (Chemistry) A precipitation of silver, in a beautiful arborescent form.
Arbor vine Ar"bor vine` A species of bindweed.
Arbor vitæ Ar"bor vi"tæ [ Latin , tree of life.] 1. (Botany) An evergreen tree of the cypress tribe, genus Thuja . The American species is the T. occidentalis . 2. (Anat.) The treelike disposition of the gray and white nerve tissues in the cerebellum, as seen in a vertical section.
Arborary Ar"bo·ra·ry adjective [ Latin
arborarius , from
arbor tree.]
Of or pertaining to trees; arboreal.
Arborator Ar"bo·ra`tor noun [ Latin , from
arbor tree.]
One who plants or who prunes trees. [ Obsolete]
Evelyn.
Arboreal Ar·bo"re·al adjective 1. Of or pertaining to a tree, or to trees; of nature of trees. Cowley. 2. Attached to, found in or upon, or frequenting, woods or trees; as, arboreal animals. Woodpeckers are eminently arboreal .
Darwin.
Arbored Ar"bored adjective Furnished with an arbor; lined with trees. "An
arboreal walk."
Pollok.
Arboreous Ar·bo"re·ous adjective [ Latin
arboreous , from
arbor tree.]
1. Having the form, constitution, or habits, of a proper tree, in distinction from a shrub. Loudon. 2. Pertaining to, or growing on, trees; as, arboreous moss. Quincy.
Arborescence Ar`bo·res"cence noun The state of being arborescent; the resemblance to a tree in minerals, or crystallizations, or groups of crystals in that form; as, the arborescence produced by precipitating silver.
Arborescent Ar`bo·res"cent adjective [ Latin
arborescens , present participle of
arborescere to become a tree, from
arbor tree.]
Resembling a tree; becoming woody in stalk; dendritic; having crystallizations disposed like the branches and twigs of a tree. "
Arborescent hollyhocks."
Evelyn.
Arboret Ar"bo·ret noun [ Old French
arboret , dim. of
arbre tree, Latin
arbor ]
A small tree or shrub. [ Obsolete]
Spenser. Among thick-woven arborets , and flowers
Imbordered on each bank.
Milton.
Arboretum Ar`bo·re"tum noun ;
plural Arboreta [ Latin , a place grown with trees.]
A place in which a collection of rare trees and shrubs is cultivated for scientific or educational purposes.
Arborical Ar·bor"ic·al adjective Relating to trees. [ Obsolete]
Arboricole Ar·bor"i·cole adjective [ Latin
arbor +
colere to inhabit.]
(Zoology) Tree-inhabiting; -- said of certain birds.
Arboricultural Ar`bor·i·cul"tur·al adjective Pertaining to arboriculture. Loudon.
Arboriculture Ar`bor·i·cul"ture noun [ Latin
arbor tree +
cultura . See
Culture .]
The cultivation of trees and shrubs, chiefly for timber or for ornamental purposes.
Arboriculturist Ar`bor·i·cul"tur·ist noun One who cultivates trees.
Arboriform Ar·bor"i·form adjective Treelike in shape.
Arborist Ar"bor·ist noun [ French
arboriste , from Latin
arbor tree.]
One who makes trees his study, or who is versed in the knowledge of trees. Howell.
Arborization Ar`bor·i·za"tion noun [ Confer French
arborisation , from Latin
arbor tree.]
The appearance or figure of a tree or plant, as in minerals or fossils; a dendrite.
Arborized Ar"bor·ized adjective Having a treelike appearance. "An
arborized or moss agate."
Wright.
Arborous Ar"bor·ous adjective Formed by trees. [ Obsolete]
From under shady, arborous roof.
Milton.
Arbuscle Ar"bus·cle noun [ Latin
arbuscula small tree, shrub, dim. of
arbor tree.]
A dwarf tree, one in size between a shrub and a tree; a treelike shrub. Bradley.
Arbuscular Ar·bus"cu·lar adjective Of or pertaining to a dwarf tree; shrublike. Da Costa.
Arbustive Ar·bus"tive adjective [ Latin
arbustivus , from
arbustum place where trees are planted.]
Containing copses of trees or shrubs; covered with shrubs. Bartram.
Arbutus, Arbute Ar"bu·tus, Ar"bute noun [ Latin
arbutus , akin to
arbor tree.]
The strawberry tree, a genus of evergreen shrubs, of the Heath family. It has a berry externally resembling the strawberry; the arbute tree. Trailing arbutus (Botany) ,
a creeping or trailing plant of the Heath family ( Epigæa repens ), having white or usually rose-colored flowers with a delicate fragrance, growing in small axillary clusters, and appearing early in the spring; in New England known as mayflower ; -- called also ground laurel . Gray.
Arc Arc noun [ French
arc , Latin
arcus bow, arc. See
Arch ,
noun ]
1. (Geom.) A portion of a curved line; as, the arc of a circle or of an ellipse. 2. A curvature in the shape of a circular arc or an arch; as, the colored arc (the rainbow); the arc of Hadley's quadrant. 3. An arch. [ Obsolete]
Statues and trophies, and triumphal arcs .
Milton.
4. The apparent arc described, above or below the horizon, by the sun or other celestial body. The diurnal arc is described during the daytime, the nocturnal arc during the night. Electric arc ,
Voltaic arc .
See under Voltaic .
Arc Arc (ärk)
intransitive verb [
imperfect & past participle Arcked (ärkt);
present participle & verbal noun Arcking .]
(Electricity) To form a voltaic arc, as an electrical current in a broken or disconnected circuit.
Arc light Arc light (Electricity) The light of an arc lamp.
Arcade Ar·cade" noun [ French
arcade , Spanish
arcada , Late Latin
arcata , from Latin
arcus bow, arch.]
1. (Architecture) (a) A series of arches with the columns or piers which support them, the spandrels above, and other necessary appurtenances; sometimes open, serving as an entrance or to give light; sometimes closed at the back (as in the cut) and forming a decorative feature. (b) A long, arched building or gallery. 2. An arched or covered passageway or avenue.
Arcaded Ar·cad"ed adjective Furnished with an arcade.
Arcadia Ar·ca"di·a noun [ Latin
Arcadia , Greek ....]
1. A mountainous and picturesque district of Greece, in the heart of the Peloponnesus, whose people were distinguished for contentment and rural happiness. 2. Fig.: Any region or scene of simple pleasure and untroubled quiet. Where the cow is, there is Arcadia .
J. Burroughs.
Arcadian, Arcadic Ar·ca"di·an, Ar·ca"dic adjective [ Latin
Arcadius ,
Arcadicus , from
Arcadia : confer French
Arcadien ,
Arcadique .]
Of or pertaining to Arcadia; pastoral; ideally rural; as, Arcadian simplicity or scenery.
Arcane Ar·cane" adjective [ Latin
arcanus .]
Hidden; secret. [ Obsolete] "The
arcane part of divine wisdom."
Berkeley.
Arcanum Ar·ca"num noun ;
plural Arcana [ Latin , from
arcanus closed, secret, from
arca chest, box, from
arcere to inclose. See
Ark .]
1. A secret; a mystery; -- generally used in the plural. Inquiries into the arcana of the Godhead.
Warburton.
2. (Medicine) A secret remedy; an elixir. Dunglison.
Arcboutant Arc`·bou`tant" noun [ French]
(Architecture) A flying buttress. Gwilt.
Arch Arch noun [ French
arche , from Late Latin
arca , for
arcus . See
Arc .]
1. (Geom.) Any part of a curved line. 2. (Architecture) (a) Usually a curved member made up of separate wedge-shaped solids, with the joints between them disposed in the direction of the radii of the curve; used to support the wall or other weight above an opening. In this sense arches are segmental , round (i. e., semicircular), or pointed . (b) A flat arch is a member constructed of stones cut into wedges or other shapes so as to support each other without rising in a curve. » Scientifically considered, the arch is a means of spanning an opening by resolving vertical pressure into horizontal or diagonal thrust.
3. Any place covered by an arch; an archway; as, to pass into the arch of a bridge. 4. Any curvature in the form of an arch; as, the arch of the aorta. "Colors of the showery
arch ."
Milton. Triumphal arch ,
a monumental structure resembling an arched gateway, with one or more passages, erected to commemorate a triumph.
Arch Arch transitive verb [
imperfect & past participle Arched ;
present participle & verbal noun Arching .]
1. To cover with an arch or arches. 2. To form or bend into the shape of an arch. The horse arched his neck.
Charlesworth.
Arch Arch intransitive verb To form into an arch; to curve.
Arch Arch (ärch)
adjective [ See
Arch- , prefix ]
1. Chief; eminent; greatest; principal. The most arch act of piteous massacre.
Shak.
2. Cunning or sly; sportively mischievous; roguish; as, an arch look, word, lad. [ He] spoke his request with so arch a leer.
Tatler.
Arch Arch noun [ See
Arch- ,
pref .]
A chief. [ Obsolete]
My worthy arch and patron comes to-night.
Shak.
Arch brick Arch" brick` A wedge-shaped brick used in the building of an arch.
Arch stone Arch" stone` A wedge-shaped stone used in an arch; a voussoir.
Arch- Arch- (ärch-, except in archangel and one or two other words). [ Latin arch- , Greek .... See Arch- .] A prefix signifying chief , as in arch builder, arch fiend.
Archaic Ar·cha"ic adjective [ Greek
'archai:ko`s old-fashioned, from
'archai^os ancient.]
Of or characterized by antiquity or archaism; antiquated; obsolescent.
Archaical Ar·cha"ic·al adjective Archaic. [ R.] --
Ar*cha"ic*al*ly ,
adverb
Archaism Ar"cha·ism noun [ Greek
'archai:smo`s , from
'archai^os ancient, from
'archh` beginning: confer French
archaïsme . See
Arch ,
adjective ]
1. An ancient, antiquated, or old-fashioned, word, expression, or idiom; a word or form of speech no longer in common use. 2. Antiquity of style or use; obsoleteness. A select vocabulary corresponding (in point of archaism and remoteness from ordinary use) to our Scriptural vocabulary.
De Quincey.
Archaist Ar"cha·ist noun 1. Am antiquary. 2. One who uses archaisms.
Archaistic Ar`cha·is"tic adjective Like, or imitative of, anything archaic; pertaining to an archaism.
Archaize Ar"cha·ize transitive verb [
imperfect & past participle Archaized ;
present participle & verbal noun Archaizing .] [ Greek
'archai:`zein .]
To make appear archaic or antique. Mahaffy.
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