noun
class of echinoderms including the sea cucumbers
• Syn: ↑Holothuroidea
• Hypernyms: ↑class
• Member Holonyms: ↑Echinodermata, ↑phylum Echinodermata
• Member Meronyms: ↑sea cucumber, ↑holothurian, ↑Holothuridae, ↑family Holothuridae
Useful english dictionary. 2012.