water bug

Từ điển WordNet v3.1 - WordNet Dictionary

noun

1. a true bug: large aquatic bug adapted to living in or on the surface of water
• Hypernyms:
heteropterous insect
• Hyponyms:
giant water bug, water scorpion, water boatman, boat bug, water strider,
pond-skater, water skater
2. small light-brown cockroach brought to United States from Europe;
a common household pest
• Syn:
German cockroach, Croton bug, crotonbug, Blattella germanica
• Hypernyms:
cockroach, roach
• Member Holonyms:
Blattella, genus Blattella