Term: sea urchin: shallow-water echinoderms having soft bodies enclosed in thin spiny globular shells
Candidate hypernym: echinoderm: marine invertebrates with tube feet and five-part radially symmetrical bodies → 1
Candidate hypernym: greek mythology: the mythology of the ancient Greeks → 0
Candidate hypernym: hyaline cartilage: translucent cartilage that is common in joints and the respiratory passages; forms most of the fetal skeleton → 0
Candidate hypernym: dealer: the person who distributes the playing cards in a card game → 0
Candidate hypernym: hemiramphidae: halfbeaks; marine and freshwater fishes closely related to the flying fishes but not able to glide → 0
Candidate hypernym: pluvianus: coursers → 0
Candidate hypernym: challenge: a demand by a sentry for a password or identification → 0
Candidate hypernym: polygynist: a man with two or more wives → 0
Candidate hypernym: night: darkness → 0
Candidate hypernym: demonstrability: capability of being demonstrated or logically proved → 0
Candidate hypernym: boatload: the amount of cargo that can be held by a boat or ship or a freight car → 0