Boat bug

1.

(Zool.) An aquatic hemipterous insect of the genus Notonecta; - so called from swimming on its back, which gives it the appearance of a little boat. Called also boat fly, boat insect, boatman, and water boatman.

Noun

1.

boat bug - carnivorous aquatic bug having paddle-like hind legs Synonyms: water boatman

Corixa, genus Corixa, water boatman, water bug