ambulacrum

English Thesaurus

1. one of the five areas on the undersurface of an echinoderm on which the tube feet are located (noun.animal)

hypernym	:	body part,
definition	:	any part of an organism such as an organ or extremity (noun.body)

part meronym	:	echinoderm,
definition	:	marine invertebrates with tube feet and five-part radially symmetrical bodies (noun.animal)

derivation	:	ambulacral,
definition	:	pertaining to the ambulacra of radial echinoderms (adj.pert)

derivation	:	ambulacral,
definition	:	pertaining to the ambulacra of radial echinoderms (adj.pert)