n.; pl. cerata [Gr. keras, horn]
1. A horn or horn-like appendage.
2. (MOLLUSCA: Gastropoda)
In some Nudibranchia, numerous projections that act as gills on the dorsal body surface, may be club shaped or grapelike and usually brilliantly colored in red, yellow, orange, blue, green, or a combination of colors; functioning in respiration, containing blood from the hemocoel and tubular branches of the digestive gland.

Online Dictionary of Invertebrate Zoology. . 2005.

Look at other dictionaries:

  • CERAS — apud Solin. c. 10. Veniamus ad promontorium Ceras Chryseon Byzantiô oppidô nobilc, Plino, l. 9. c. 15. Aureum cornu.> promontor. est, in quo Byzantium, cui a sinu circa Byzantium id nominis haesit. Hic enim proprie Κέρας dictus est, quod… …   Hofmann J. Lexicon universale

  • ceras — n. one of the often brightly colored and branching hornlike structures on the backs of nudibranchs and other related mollusks that serve as gills. [WordNet 1.5] …   The Collaborative International Dictionary of English

  • Ceras — Centre de recherche et d action sociales Le Centre de Recherche et d’action sociales (Ceras)[1] – anciennement Action Populaire est une association loi 1901 créée en 1903 par la Compagnie de Jésus[2]. Son action séculaire vise à la promotion de… …   Wikipédia en Français

  • čeras — čẽras sm. BŽ250; P čėras bot. vėdryninių šeimos augalas (Helleborus): Baltažiedis čėras LBŽ(P) …   Dictionary of the Lithuanian Language

  • Ceras — Sp Cèras Ap Цер/Cer L kk. Serbijoje …   Pasaulio vietovardžiai. Internetinė duomenų bazė

  • ceras — noun a dorsal or lateral outgrowth on the body of nudibranchs …   Wiktionary

  • CERAS — Centre de Recherche et d Action Sociale. Animé par des Jésuites …   Sigles et Acronymes francais

  • ceras — «us (L). A cherry …   Dictionary of word roots and combining forms

  • -ceras — cer·as …   English syllables

  • ceras — cer·as …   English syllables

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