stone fly

Từ điển WordNet v3.1 - WordNet Dictionary

noun

primitive winged insect with a flattened body;
used as bait by fishermen;
aquatic gilled larvae are carnivorous and live beneath stones
• Syn:
stonefly, plecopteran
• Hypernyms:
insect
• Member Holonyms:
Plecoptera, order Plecoptera