Echinoid — E*chi noid, a. [Echinus + oid.] (Zo[ o]l.) Of or pertaining to the Echinoidea. n. One of the Echinoidea. [1913 Webster] || … The Collaborative International Dictionary of English
echinoid — [ē kī′noid΄, ek′ənoid] adj. [ ECHIN(O) + OID] of or like a sea urchin n. any of a class (Echinoidea) of echinoderms, including the sea urchins and sand dollars … English World dictionary
echinoid — noun Date: 1864 sea urchin … New Collegiate Dictionary
echinoid — noun Any sea urchin or sea dollar of the class Echinoidea … Wiktionary
echinoid — [ ɛkɪnɔɪd] noun Zoology an echinoderm of the class Echinoidea; a sea urchin. Origin from mod. L. Echinoidea, from Echinus (genus name), from Gk ekhinos (see echinus) … English new terms dictionary
echinoid — echi·noid … English syllables
echinoid — e•chi•noid [[t]ɪˈkaɪ nɔɪd, ˈɛk əˌnɔɪd[/t]] n. 1) ivt any echinoderm of the class Echinoidea, comprising sea urchins and sand dollars, characterized by a rounded, armless body and a rigid endoskeleton with movable spines 2) ivt of, belonging to,… … From formal English to slang
echinoid — /əˈkaɪnɔɪd/ (say uh kuynoyd), /ˈɛkənɔɪd/ (say ekuhnoyd) adjective 1. belonging to the Echinoidea, a class of echinoderms of rounded form covered with projecting spines, including the sea urchins, etc. 2. resembling a sea urchin. –noun 3. one of… …
echinoid — a. pertaining to or like a sea urchin. ♦ echinate(d), a. prickly. ♦ echinid(an), n. sea urchin … Dictionary of difficult words
echinoid — n. a sea urchin … Useful english dictionary