starfishes — n. marine invertebrate having a thick spiny body and five or more arms … English contemporary dictionary
echinoderm — /i kuy neuh derrm , ek euh neuh /, n. any marine animal of the invertebrate phylum Echinodermata, having a radiating arrangement of parts and a body wall stiffened by calcareous pieces that may protrude as spines and including the starfishes, sea … Universalium
starfish — /stahr fish /, n., pl. (esp. collectively) starfish, (esp. referring to two or more kinds or species) starfishes. any echinoderm of the class Asteroidea, having the body radially arranged, usually in the form of a star, with five or more rays or… … Universalium
circulation — circulable /serr kyeuh leuh beuhl/, adj. /serr kyeuh lay sheuhn/, n. 1. an act or instance of circulating, moving in a circle or circuit, or flowing. 2. the continuous movement of blood through the heart and blood vessels, which is maintained… … Universalium
skeleton — skeletonless, adj. skeletonlike, adj. /skel i tn/, n. 1. Anat., Zool. the bones of a human or an animal considered as a whole, together forming the framework of the body. 2. any of various structures forming a rigid framework in an invertebrate.… … Universalium
Asterias — As*te ri*as, n. [NL., fr. Gr. ? starred, fr. asth r star.] (Zo[ o]l.) A genus of echinoderms. [1913 Webster] Note: Formerly the group of this name included nearly all starfishes and ophiurans. Now it is restricted to a genus including the… … The Collaborative International Dictionary of English
Pedicellaria — Ped i*cel*la ri*a, n.; pl. {Pedicellari[ae]}. [NL. See {Pedicel}.] (Zo[ o]l.) A peculiar forcepslike organ which occurs in large numbers upon starfishes and echini. Those of starfishes have two movable jaws, or blades, and are usually nearly, or… … The Collaborative International Dictionary of English
Pedicellariae — Pedicellaria Ped i*cel*la ri*a, n.; pl. {Pedicellari[ae]}. [NL. See {Pedicel}.] (Zo[ o]l.) A peculiar forcepslike organ which occurs in large numbers upon starfishes and echini. Those of starfishes have two movable jaws, or blades, and are… … The Collaborative International Dictionary of English
Echinoderm — Temporal range: Cambrian–recent … Wikipedia
Addison Emery Verrill — Addison Emery Verrill. Addison Emery Verrill est un zoologiste et un géologue américain, né le 9 février 1839 à Greenwood, Maine et mort le 10 décembre 1926 à San … Wikipédia en Français