Definition of theca

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Theca (n.) The wall forming a calicle of a coral.

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Potecary :: Potecary (n.) An apothecary.
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..
Rhamphotheca :: Rhamphotheca (n.) The horny covering of the bill of birds.
Theca :: Theca (n.) A sheath; a case; as, the theca, or cell, of an anther; the theca, or spore case, of a fungus; the theca of the spinal cord..
Rehypothecate :: Rehypothecate (v. t.) To hypothecate again.
Theca :: Theca (n.) The chitinous cup which protects the hydranths of certain hydroids.
Hierotheca :: Hierotheca (n.) A receptacle for sacred objects.
Endotheca :: Endotheca (n.) The tissue which partially fills the interior of the interseptal chambers of most madreporarian corals. It usually consists of a series of oblique tranverse septa, one above another..
Podothecae :: Podothecae (pl. ) of Podothec.
Gonophore :: Gonophore (n.) A sexual zooid produced as a medusoid bud upon a hydroid, sometimes becoming a free hydromedusa, sometimes remaining attached. See Hydroidea, and Illusts. of Athecata, Campanularian, and Gonosome..
Bibliotheca :: Bibliotheca (n.) A library.
Bibliothecary :: Bibliothecary (n.) A librarian.
Ovicapsule :: Ovicapsule (n.) Same as Ootheca.
Apothecary :: Apothecary (n.) One who prepares and sells drugs or compounds for medicinal purposes.
Thecata :: Thecata (n. pl.) Same as Thecophora.
Gnathothecae :: GnathothecAe (pl. ) of Gnathothec.
Hydrothecae :: Hydrothecae (pl. ) of Hydrothec.
Gymnoblastea :: Gymnoblastea (n. pl.) The Athecata; -- so called because the medusoid buds are not inclosed in a capsule.
Graduate :: Graduate (n.) A graduated cup, tube, or flask; a measuring glass used by apothecaries and chemists. See under Graduated..
Hydrotheca :: Hydrotheca (n.) One of the calicles which, in some Hydroidea (Thecaphora), protect the hydrants. See Illust. of Hydroidea, and Campanularian..
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