plectognath fish

Từ điển WordNet v3.1 - WordNet Dictionary

noun

tropical marine fishes having the teeth fused into a beak and thick skin covered with bony plates or spines
• Syn:
plectognath
• Hypernyms:
spiny-finned fish, acanthopterygian
• Hyponyms:
triggerfish, filefish, boxfish, trunkfish, puffer,
pufferfish, blowfish, globefish, spiny puffer, ocean sunfish, sunfish,
mola, headfish
• Member Holonyms:
Plectognathi, order Plectognathi, order Tetraodontiformes