1. [ noun ] (zoology) a true bug: large aquatic bug adapted to living in or on the surface of water
Related terms: heteropterous_insect water_boatman water_scorpion water_strider giant_water_bug
2. [ noun ] (zoology) small light-brown cockroach brought to United States from Europe; a common household pest
Synonyms: Croton_bug crotonbug Blattella_germanica German_cockroach
Related terms: cockroach Blattella
Similar spelling:   water_butt