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.
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). boat bug. Retrieved September 21, 2026, from http://smartdefine.org/boat_bug/definitions/1981246 |
| Chicago | Webster's. 2011. "boat bug" http://smartdefine.org/boat_bug/definitions/1981246 (accessed September 21, 2026). |
| Harvard | Webster's 2011, boat bug, Smart Define, viewed 21 September, 2026, <http://smartdefine.org/boat_bug/definitions/1981246>. |
| MLA | Webster's. "boat bug" 27 May 2011. Web. 21 September 2026. <http://smartdefine.org/boat_bug/definitions/1981246> |