holothurian noun & adjective. [hɒlǝ(ʊ)'Ɵjʊǝrɪǝn] M19.
[formed as HOLOTHURIA + -AN.]
Zoology.
A. noun. Any elongate, bilaterally symmetrical echinoderm of the class Holothuroidea, having a leathery integument and a diffuse skeleton of calcitic spicules; a sea cucumber. M19.
b. adjective. Of or pertaining to the class Holothuroidea. L19.

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