selachian

Từ điển WordNet v3.1 - WordNet Dictionary

noun

any of numerous fishes of the class Chondrichthyes characterized by a cartilaginous skeleton and placoid scales: sharks;
rays;
skates
• Syn:
elasmobranch
• Hypernyms:
cartilaginous fish, chondrichthian
• Hyponyms:
shark, ray
• Member Holonyms:
Elasmobranchii, subclass Elasmobranchii, Selachii, subclass Selachii