'Holothurian' definitions:

Definition of 'holothurian'

From: WordNet
noun
Echinoderm having a flexible sausage-shaped body, tentacles surrounding the mouth and tube feet; free-living mud feeders [syn: sea cucumber, holothurian]

Definition of 'Holothurian'

From: GCIDE
  • Holothurian \Hol`o*thu"ri*an\, a. (Zool.) Belonging to the Holothurioidea. -- n. One of the Holothurioidea. [1913 Webster]
  • Note: Some of the species of Holothurians are called {sea cucumbers}, sea slugs, trepang, and {b[^e]che de m[`e]r}. Many are used as food, esp. by the Chinese. See Trepang. [1913 Webster]