swimming crab

Từ điển WordNet v3.1 - WordNet Dictionary

noun

marine crab with some legs flattened and fringed for swimming
• Hypernyms:
crab
• Hyponyms:
English lady crab, Portunus puber, American lady crab, lady crab, calico crab,
Ovalipes ocellatus, blue crab, Callinectes sapidus
• Member Holonyms:
Portunidae, family Portunidae