Webster's Dictionary, 1913

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Lepidopteral (-tẽr* a l), Lep`i*dop"ter*ous (-ŭs) adjective (Zoology) Of or pertaining to the Lepidoptera.

Lepidopterist noun (Zoology) One who studies the Lepidoptera.

Lepidosauria (-do*sa"rĭ*ȧ) noun plural [ New Latin , from Greek lepi`s - i`dos , a scale + say^ros a lizard.] (Zoology) A division of reptiles, including the serpents and lizards; the Plagiotremata.

Lepidosiren (-sī"rĕn) noun [ Greek lepi`s -i`dos , a scale + seirh`n a siren.] (Zoology) An eel- shaped ganoid fish of the order Dipnoi, having both gills and lungs. It inhabits the rivers of South America. The name is also applied to a related African species ( Protopterus annectens ). The lepidosirens grow to a length of from four to six feet. Called also doko .

Lepidote (lĕp"ĭ*dōt), Lep"i*do`ted (-dō`tĕd) adjective [ Greek lepidwto`s covered with scales, from lepi`s -i`dos , a scale.] (Botany) Having a coat of scurfy scales, as the leaves of the oleaster.

Lepisma (le*pĭz"mȧ) noun [ New Latin , from Greek le`pisma peel, from lepi`s -i`dos , a scale.] (Zoology) A genus of wingless thysanurous insects having an elongated flattened body, covered with shining scales and terminated by seven unequal bristles. A common species ( Lepisma saccharina ) is found in houses, and often injures books and furniture. Called also shiner , silver witch , silver moth , and furniture bug .

Lepismoid (-moid) adjective [ Lepisma + -oid .] (Zoology) Like or pertaining to the Lepisma.

Leporine (lĕp"o*rīn or - rĭn) adjective [ Latin leporinus , from lepus , leporis , hare. See Leveret .] (Zoology) Of or pertaining to a hare; like or characteristic of, a hare.

Lepra (lē"prȧ) noun [ Latin See Leper .] (Medicine) Leprosy.

» The term lepra was formerly given to various skin diseases, the leprosy of modern authors being Lepra Arabum . See Leprosy .

Lepre (lĕp"ẽr) noun Leprosy. [ Obsolete] Wyclif.

Leprose (lĕp"rōs`) adjective [ See Leprous .] (Nat. Hist.) Covered with thin, scurfy scales.

Leprosity (le*prŏs"ĭ*tȳ) noun The state or quality of being leprous or scaly; also, a scale. Bacon.

Leprosy (lĕp"ro*sȳ) noun [ See Leprous .] (Medicine) A cutaneous disease which first appears as blebs or as reddish, shining, slightly prominent spots, with spreading edges. These are often followed by an eruption of dark or yellowish prominent nodules, frequently producing great deformity. In one variety of the disease, anæsthesia of the skin is a prominent symptom. In addition there may be wasting of the muscles, falling out of the hair and nails, and distortion of the hands and feet with destruction of the bones and joints. It is incurable, and is probably contagious.

» The disease now called leprosy, also designated as Lepra or Lepra Arabum , and Elephantiasis Græcorum , is not the same as the leprosy of the ancients. The latter was, indeed, a generic name for many varieties of skin disease (including our modern leprosy, psoriasis, etc.), some of which, among the Hebrews, rendered a person ceremonially unclean. A variety of leprosy of the Hebrews (probably identical with modern leprosy) was characterized by the presence of smooth, shining, depressed white patches or scales, the hair on which participated in the whiteness, while the skin and adjacent flesh became insensible. It was an incurable disease.

Leprous (-rūs) adjective [ Old French leprous , lepros , French lépreux , from Latin leprosus , from lepra , leprae , leprosy. See Leper .]

1. Infected with leprosy; pertaining to or resembling leprosy. "His hand was leprous as snow." Ex. iv. 6.

2. (Nat. Hist.) Leprose.

-- Lep"rous*ly , adverb -- Lep"rous*ness , noun

Lepry (-rȳ) noun Leprosy. [ Obsolete] Holland.

Leptiform (-tĭ*fôrm) adjective [ Leptus + -form .] (Zoology) Having a form somewhat like leptus; -- said of active insect larvæ having three pairs of legs. See Larva .

Leptocardia (lĕp`to*kär"dĭ*ȧ) noun plural [ New Latin , from Greek lepto`s small + kardi`a the heart.] (Zoology) The lowest class of Vertebrata, including only the Amphioxus. The heart is represented only by a simple pulsating vessel. The blood is colorless; the brain, renal organs, and limbs are wanting, and the backbone is represented only by a simple, unsegmented notochord. See Amphioxus . [ Written also Leptocardii .]

Leptocardian (- a n) adjective (Zoology) Of or pertaining to the Leptocardia . -- noun One of the Leptocardia.

Leptodactyl (-dăk"tĭl) noun [ Greek lepto`s small, thin + da`ktylos finger, toe.] (Zoology) A bird or other animal having slender toes. [ Written also lepodactyle .]

Leptodactylous (-ŭs) adjective Having slender toes.

Leptology (lĕp*tŏl"o*jȳ) noun [ Greek leptologi`a ; lepto`s small, subtile + lo`gos discourse.] A minute and tedious discourse on trifling things.

Leptomeningitis (lĕp`to*mĕn`ĭn*jī"tĭs) noun [ New Latin , from Greek lepto`s small + meningitis .] (Medicine) Inflammation of the pia mater or of the arachnoid membrane.

Leptorhine (lĕp"to*rīn or *rĭn) adjective [ Greek lepto`s small + "ri`s , "rino`s , the nose.] (Anat.) Having the nose narrow; -- said esp. of the skull. Opposed to platyrhine .

Leptostraca (lĕp*tŏs"trȧ*kȧ) noun plural [ New Latin , from Greek lepto`s thin, slender + 'o`strakon shell of a testacean.] (Zoology) An order of Crustacea, including Nebalia and allied forms.

Leptothrix (lĕp"to*thrĭks) noun [ New Latin , from Greek lepto`s small + qri`x hair.] (Biol.) A genus of bacteria, characterized by having their filaments very long, slender, and indistinctly articulated.

Leptothrix adjective [ See Leptothrix , noun ] (Biol.) Having the form of a little chain; -- applied to bacteria when, as in multiplication by fission, they form a chain of filiform individuals.

Leptus (lĕp"tŭs) noun [ New Latin , from Greek lepto`s thin, small.] (Zoology) The six-legged young, or larva, of certain mites; -- sometimes used as a generic name. See Harvest mite , under Harvest .

Leptynite (lĕp"tĭ*nīt) noun (Min.) See Granulite .

Lere (lēr) noun [ See Lore knowledge.] Learning; lesson; lore. [ Obsolete] Spenser.

Lere transitive verb & i. [ Middle English leeren , leren , Anglo-Saxon lǣran . See Lore , Learn .] To learn; to teach. [ Obsolete] Chaucer.

Lere adjective Empty. [ Obsolete] See Leer , adjective

Lere noun [ Anglo-Saxon lira flesh; confer Icelandic lær thigh.] Flesh; skin. [ Obsolete] "His white leer ." Chaucer.

Lered (lēr"ĕd) adjective [ From lere , transitive verb ] Learned. [ Obsolete] " Lewed man or lered ." Chaucer.

Lernean (lẽr*nē" a n) noun [ See Lernæa .] (Zoology) One of a family ( Lernæidæ ) of parasitic Crustacea found attached to fishes and other marine animals. Some species penetrate the skin and flesh with the elongated head, and feed on the viscera. See Illust. in Appendix.

Lernæa (lẽr*nē"ȧ) noun [ New Latin , from Latin Lernaeus Lernæan, from Lerna , Greek Le`rnh , a forest and marsh near Argos, the mythological abode of the hydra.] (Zoology) A Linnæan genus of parasitic Entomostraca, -- the same as the family Lernæidæ .

» The genus is restricted by modern zoölogists to a limited number of species similar to Lernæa branchialis found on the gills of the cod.

Lernæacea (lẽr`ne*ā"she*ȧ) noun plural [ New Latin See Lernæa .] (Zoology) A suborder of copepod Crustacea, including a large number of remarkable forms, mostly parasitic on fishes. The young, however, are active and swim freely. See Illustration in Appendix.

Lérot (la`ro") noun [ French] (Zoology) A small European rodent ( Eliomys nitela ), allied to the dormouse.

Les (lĕs) noun A leash. [ Obsolete] Chaucer.

Lesbian (lĕs"bĭ* a n) adjective Of or pertaining to the island anciently called Lesbos , now Mitylene, in the Grecian Archipelago.

Lesbian adjective Amatory; erotic; -- in allusion to the reputed sensuality of the Lesbian people and literature; as, Lesbian novels.

Lesbian love See Lesbianism .

Lesbianism noun (Medicine) Unnatural sexual relations between women.

Lese (lēz) transitive verb To lose. [ Obsolete] Chaucer.

Lese-majesty (-măj"ĕs*tȳ) noun See Leze majesty .

Lesion (lē"zhŭn) noun [ French lésion , Latin laesio , from laedere , laesum , to hurt, injure.] A hurt; an injury. Specifically: (a) (Civil Law) Loss sustained from failure to fulfill a bargain or contract. Burrill. (b) (Medicine) Any morbid change in the exercise of functions or the texture of organs. Dunglison.

Less (lĕs) conj. Unless. [ Obsolete] B. Jonson.

Less adjective [ Middle English lesse , Anglo-Saxon lǣssa ; akin to OFries. lēssa ; a compar. from a lost positive form. Confer Lesser , Lest , Least . Less has the sense of the comparative degree of little .] Smaller; not so large or great; not so much; shorter; inferior; as, a less quantity or number; a horse of less size or value; in less time than before.

» The substantive which less qualifies is often omitted; as, the purse contained less (money) than ten dollars. See Less , noun

Thus in less [ time] than a hundred years from the coming of Augustine, all England became Christian.
E. A. Freeman.

Less adverb [ Anglo-Saxon lǣs . See Less , adj. , and confer Lest .] Not so much; in a smaller or lower degree; as, less bright or loud; less beautiful.

Less noun
1. A smaller portion or quantity.

The children of Israel did so, and gathered, some more, some less .
Ex. xvi. 17.

2. The inferior, younger, or smaller.

The less is blessed of the better.
Hebrew vii. 7.

Less transitive verb To make less; to lessen. [ Obsolete] Gower.