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4 definitions found

From: DICT.TW English-Chinese Dictionary 英漢字典

 echinodermata
 棘皮動物

From: DICT.TW English-Chinese Medical Dictionary 英漢醫學字典

 Echi·no·der·ma·ta /-nəˈdɝmətə/ 名詞 複數

From: Webster's Revised Unabridged Dictionary (1913)

 E·chi·no·der·ma·ta n. pl.  Zoöl. One of the grand divisions of the animal kingdom. By many writers it was formerly included in the Radiata. [Written also Echinoderma.]
 Note: ☞ The species usually have an exterior calcareous skeleton, or shell, made of many pieces, and often covered with spines, to which the name. They may be star-shaped, cylindrical, disk-shaped, or more or less spherical. The body consists of several similar parts (spheromeres) repeated symmetrically around a central axis, at one end of which the mouth is situated. They generally have suckers for locomotion. The group includes the following classes: Crinoidea, Asterioidea, Ophiuroidea, Echinoidea, and Holothurioidea. See these words in the Vocabulary, and also Ambulacrum.
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From: WordNet (r) 2.0

 Echinodermata
      n : radially symmetrical marine invertebrates including e.g.
          starfish and sea urchins and sea cucumbers [syn: phylum
           Echinodermata]