echinoid

  • 1Echinoid — 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

  • 2echinoid — [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

  • 3echinoid — noun Date: 1864 sea urchin …

    New Collegiate Dictionary

  • 4echinoid — /i kuy noyd, ek euh noyd /, adj. 1. belonging or pertaining to the class Echinoidea, comprising mainly sea urchins and sand dollars. n. 2. any echinoderm of the Echinoidea. [1850 55; < NL Echinoidea; see ECHINUS, OIDEA] * * * …

    Universalium

  • 5echinoid — noun Any sea urchin or sea dollar of the class Echinoidea …

    Wiktionary

  • 6echinoid — [ 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

  • 7echinoid — echi·noid …

    English syllables

  • 8echinoid — 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,&#8230; …

    From formal English to slang

  • 9echinoid — /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&#8230; …

  • 10echinoid —   a. pertaining to or like a sea urchin.    ♦ echinate(d), a. prickly.    ♦ echinid(an), n. sea urchin …

    Dictionary of difficult words