Thunderstorm noun A storm accompanied with lightning and thunder.

Thunderstrike transitive verb [ imperfect Thunderstruck ; past participle Thunderstruck , -strucken ; present participle & verbal noun Thunderstriking .]
1. To strike, blast, or injure by, or as by, lightning. [ R.] Sir P. Sidney.

2. To astonish, or strike dumb, as with something terrible; -- rarely used except in the past participle.

drove before him, thunderstruck .

Milton.

Thunderworm noun (Zoology) A small, footless, burrowing, snakelike lizard ( Rhineura Floridana ) allied to Amphisbæna, native of Florida; -- so called because it leaves its burrows after a thundershower.

Thundery adjective Accompanied with thunder; thunderous. [ R.] " Thundery weather." Pennant.

Thundrous adjective Thunderous; sonorous. "Scraps of thunderous epic." Tennyson.

Thunny noun (Zoology) The tunny. [ R.]

Thurgh preposition Through. [ Obsolete] Chaucer.

Thurghfare noun Thoroughfare. [ Obsolete]

This world is but a thurghfare full of woe.

Chaucer.

Thurible noun [ Latin thuribulum , turibulum , from thus , thuris , or better tus , turis , frankincense, from Greek ... a sacrifice, an offering, from ... to sacrifice.] (R. C. Ch.) A censer of metal, for burning incense, having various forms, held in the hand or suspended by chains; -- used especially at mass, vespers, and other solemn services. Fairholt.

Thuriferous adjective [ Latin thurifer , turifer ; thus frankincense + -ferre to bear.] Producing or bearing frankincense.

Thurification noun [ Latin thus incense + -ficare (in comp.) to make. See -fy .] The act of fuming with incense, or the act of burning incense.

Thuringian adjective Of or pertaining to Thuringia, a country in Germany, or its people. -- noun A native, or inhabitant of Thuringia.

Thuringite noun [ From Thuringia , where it is found.] (Min.) A mineral occurring as an aggregation of minute scales having an olive-green color and pearly luster. It is a hydrous silicate of aluminia and iron.

Thurl noun [ Anglo-Saxon þyrel a hole. √53. See Thirl , Thrill .]
1. A hole; an aperture. [ Obsolete]

2. (Mining) (a) A short communication between adits in a mine. (b) A long adit in a coalpit.

Thurl transitive verb [ See Thrill .]
1. To cut through; to pierce. [ Obsolete] Piers Plowman.

2. (Mining) To cut through, as a partition between one working and another.

Thurling noun (Mining) Same as Thurl , noun , 2 (a) .

Thurrok noun [ Anglo-Saxon þurruc a boat.] The hold of a ship; a sink. [ Obsolete]

Small drops of water that enter through a little crevice into the thurrok and into the bottom of a ship.

Chaucer.

Thursday noun [ Middle English þursdei , þorsday , from the Scand. name Thor + English day . Icelandic þōrr Thor, the god of thunder, is akin to Anglo-Saxon þunor thunder; Dutch Donderdag Thursday, German Donnerstag , Icelandic þōrsdagr , Swedish & Danish Torsdag . √52. See Thor , Thunder , and Day .] The fifth day of the week, following Wednesday and preceding Friday.

Holy Thursday . See under Holy .

Thurst noun (Coal Mining) The ruins of the fallen roof resulting from the removal of the pillars and stalls. Raymond.

Thus noun [ Latin thus , better tus , frankincense. See Thurible .] The commoner kind of frankincense, or that obtained from the Norway spruce, the long-leaved pine, and other conifers.

Thus (&thlig;us) adverb [ Middle English thus , Anglo-Saxon ðus ; akin to OFries. & Old Saxon thus , Dutch dus , and English that ; confer Old High German sus . See That .]
1. In this or that manner; on this wise.

Thus did Noah; according to all that God commanded him, so did he.

Gen. vi. 22.

Thus God the heaven created, thus the earth.

Milton.

2. To this degree or extent; so far; so; as, thus wise; thus peaceble; thus bold. Shak.

Thus far extend, thus far thy bounds.

Milton.

Thussock noun See Tussock . [ Obsolete]

Thuya noun (Botany) Same as Thuja .

Thuyin noun (Chemistry) A substance extracted from trees of the genus Thuja , or Thuya , and probably identical with quercitrin. [ Written also thujin .]

Thwack (thwăk) transitive verb [ imperfect & past participle Thwacked ; present participle & verbal noun Thwacking .] [ Confer Middle English thakken to stroke, Anglo-Saxon þaccian , English whack .]
1. To strike with something flat or heavy; to bang, or thrash: to thump. "A distant thwacking sound." W. Irving.

2. To fill to overflow. [ Obsolete] Stanyhurst.

Thwack noun A heavy blow with something flat or heavy; a thump.

With many a stiff thwack , many a bang,
Hard crab tree and old iron rang.

Hudibras.

Thwaite noun (Zoology) The twaite.

Thwaite noun [ CF. Icelandic þveit a piece of land, from þvīta to cut. See Thwite , and confer Doit , and Twaite land cleared of woods.] Forest land cleared, and converted to tillage; an assart. [ Obsolete or Prov. Eng.]

» Thwaite occurs in composition as the last element in many names of places in the north of England; as, in Ros thwaite , Stone thwaite .

Thwart adjective [ Middle English þwart , þwert , adjective and adverb , Icelandic þvert , neut. of þverr athwart, transverse, across; akin to Anglo-Saxon þweorh perverse, transverse, cross, Dutch dwars , Old High German dwerah , twerh , German zwerch , quer , Dan. & Swedish tver athwart, transverse, Swedish tvär cross, unfriendly, Goth. þwaírhs angry. Confer Queer .]
1. Situated or placed across something else; transverse; oblique.

Moved contrary with thwart obliquities.

Milton.

2. Fig.: Perverse; crossgrained. [ Obsolete] Shak.

Thwart adverb [ See Thwart , adjective ] Thwartly; obliquely; transversely; athwart. [ Obsolete] Milton.

Thwart preposition Across; athwart. Spenser.

Thwart ships . See Athwart ships , under Athwart .

Thwart noun (Nautical) A seat in an open boat reaching from one side to the other, or athwart the boat.

Thwart transitive verb [ imperfect & past participle Thwarted ; present participle & verbal noun Thwarting .]
1. To move across or counter to; to cross; as, an arrow thwarts the air. [ Obsolete]

Swift as a shooting star
In autumn thwarts the night.

Milton.

2. To cross, as a purpose; to oppose; to run counter to; to contravene; hence, to frustrate or defeat.

If crooked fortune had not thwarted me.

Shak.

The proposals of the one never thwarted the inclinations of the other.

South.

Thwart intransitive verb
1. To move or go in an oblique or crosswise manner. [ R.]

2. Hence, to be in opposition; to clash. [ R.]

Any proposition . . . that shall at all thwart with internal oracles .

Locke.

Thwarter noun (Far.) A disease in sheep, indicated by shaking, trembling, or convulsive motions.

Thwartingly adverb In a thwarting or obstructing manner; so as to thwart.

Thwartly adverb Transversely; obliquely.

Thwartness noun The quality or state of being thwart; obliquity; perverseness.

Thwite transitive verb [ Anglo-Saxon þwītan . See Whittle , and confer Thwaite a piece of land.] To cut or clip with a knife; to whittle. [ Obsolete or Prov. Eng.] Chaucer.

Thwittle transitive verb [ See Thwite , and Whittle .] To cut or whittle. [ Obsolete or Prov. Eng.] Palsgrave.

Thwittle noun A small knife; a whittle. [ Written also thwitel .] [ Obsolete] "A Sheffield thwittle ." Chaucer.

Thy pron. [ Middle English thi , shortened from thin . See Thine , Thou .] Of thee, or belonging to thee; the more common form of thine , possessive case of thou ; -- used always attributively, and chiefly in the solemn or grave style, and in poetry. Thine is used in the predicate; as, the knife is thine . See Thine .

Our father which art in heaven, Hallowed be thy name. Thy kingdom come. Thy will be done.

Matt. vi. 9,10.

These are thy glorious works, Parent of good.

Milton.

Thyine wood [ Greek ... ..., from ..., adj., pertaining to the tree ... or ..., an African tree with sweet-smelling wood.] (Botany) The fragrant and beautiful wood of a North African tree ( Callitris quadrivalvis ), formerly called Thuja articulata . The tree is of the Cedar family, and furnishes a balsamic resin called sandarach . Rev. xviii. 12.

Thylacine noun [ Greek ... a sack.] (Zoology) The zebra wolf. See under Wolf .

Thymate noun (Chemistry) A compound of thymol analogous to a salt; as, sodium thymate .

Thyme (tīm) noun [ Middle English tyme , Latin thymum , Greek qy`mon , qy`mos ; confer qy`ein , to sacrifice, qy`os a sacrifice, offering, incense: confer French thym ; -- perhaps so named because of its sweet smell. Confer Fume , noun ] (Botany) Any plant of the labiate genus Thymus . The garden thyme ( Thymus vulgaris ) is a warm, pungent aromatic, much used to give a relish to seasoning and soups.

Ankle deep in moss and flowery thyme .

Cowper.

Cat thyme , a labiate plant ( Teucrium Marum ) of the Mediterranean religion. Cats are said to be fond of rolling on it. J. Smith (Dict. Econ. Plants). -- Wild thyme , Thymus Serpyllum , common on banks and hillsides in Europe.

I know a bank where the wild thyme blows.

Shak.

Thymene noun (Chemistry) A liquid terpene obtained from oil of thyme.

Thymiatechny noun [ Greek ... incense + te`chnh art.] (Medicine) The art of employing perfumes in medicine. [ R.] Dunglison.

Thymic adjective (Anat.) Of or pertaining to the thymus gland.

Thymic adjective (Med. Chem.) Pertaining to, or derived from, thyme; as, thymic acid.