Thanks for using this online dictionary, we have been helping millions of people improve their use of the english language with its free online services. English definition of theca is as below...

Tubularida :: Tubularida (n. pl.) An extensive division of Hydroidea; the tubularians; -- called also Athecata, Gymnoblastea, and Tubulariae..

Druggist :: Druggist (n.) One who deals in drugs; especially, one who buys and sells drugs without compounding them; also, a pharmaceutist or apothecary..

Gonangium :: Gonangium (n.) See Gonotheca.

Exotheca :: Exotheca (n.) The tissue which fills the interspaces between the costae of many madreporarian corals, usually consisting of small transverse or oblique septa..

Rhamphotheca :: Rhamphotheca (n.) The horny covering of the bill of birds.

Gnathotheca :: Gnathotheca (n.) The horney covering of the lower mandible of a bird.

Ruffle :: Ruffle (v. t. & i.) The connected series of large egg capsules, or oothecae, of any one of several species of American marine gastropods of the genus Fulgur. See Ootheca..

Thecophora :: Thecophora (n. pl.) A division of hydroids comprising those which have the hydranths in thecae and the gonophores in capsules. The campanularians and sertularians are examples. Called also Thecata. See Illust. under Hydroidea.

Vagina :: Vagina (n.) A sheath; a theca; as, the vagina of the portal vein..

Connective :: Connective (n.) That part of an anther which connects its thecae, lobes, or cells..

Dactylotheca :: Dactylotheca (n.) The scaly covering of the toes, as in birds..

Pharmaceutist :: Pharmaceutist (n.) One skilled in pharmacy; a druggist. See the Note under Apothecary.

Pharmacy :: Pharmacy (n.) The art or practice of preparing and preserving drugs, and of compounding and dispensing medicines according to prescriptions of physicians; the occupation of an apothecary or a pharmaceutical chemist..

Pyxidium :: Pyxidium (n.) The theca of mosses.

Epitheca :: Epitheca (n.) A continuous and, usually, structureless layer which covers more or less of the exterior of many corals..

Sporosac :: Sporosac (n.) A hydrozoan reproductive zooid or gonophore which does not become medusoid in form or structure. See Illust. under Athecata.

Theca :: Theca (n.) The chitinous cup which protects the hydranths of certain hydroids.

Rhamphothecae :: Rhamphothecae (pl. ) of Rhamphothec.

Hydrotheca :: Hydrotheca (n.) One of the calicles which, in some Hydroidea (Thecaphora), protect the hydrants. See Illust. of Hydroidea, and Campanularian..

Dertrotheca :: Dertrotheca (n.) The horny covering of the end of the bill of birds.

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