crinoid

Từ điển WordNet v3.1 - WordNet Dictionary

I - noun

primitive echinoderms having five or more feathery arms radiating from a central disk
• Hypernyms:
echinoderm
• Hyponyms:
sea lily, feather star, comatulid
• Member Holonyms:
Crinoidea, class Crinoidea

II - adjective

of or relating to or belonging to the class Crinoidea
• Pertains to noun:
Crinoidea