bombardier

from The American Heritage® Dictionary of the English Language, 5th Edition.

• noun A member of a combat aircraft crew who operates the bombsight and drops the bombs.
• noun Chiefly British A noncommissioned artillery officer.
• noun Archaic A soldier in the artillery.

from The Century Dictionary.

• noun Properly, a soldier in charge of a bombard or cannon; specifically, in the British army, a non-commissioned officer of the Royal Artillery, ranking next below a corporal, whose duty it is to load shells, grenades, etc., and to fix the fuses, and who is particularly appointed to the service of mortars and howitzers.
• noun A bombardier-beetle.
• noun A name of a European frog, Bombinator igneus.
• noun [capitalized] A former name, among the Portuguese, for a Fleming or other foreigner.

from the GNU version of the Collaborative International Dictionary of English.

• noun Archaic One who used or managed a bombard; an artilleryman; a gunner.
• noun A noncommissioned officer in the British artillery.
• noun (Zoöl.) a kind of beetle (Brachinus crepitans), so called because, when disturbed, it makes an explosive discharge of a pungent and acrid vapor from its anal glands. The name is applied to other related species, as the Brachinus displosor, which can produce ten or twelve explosions successively. The common American species is Brachinus fumans.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• noun North America A bomber crew member who sights and releases bombs.
• noun Canada, Britain A non-commissioned officer rank in artillery, equivalent to corporal. Abbreviated Bdr.
• noun An artilleryman; a gunner.
• noun entomology A bombardier beetle.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

• noun the member of a bomber crew responsible for using the bombsight and releasing the bombs on the target
• noun a noncommissioned officer in the British artillery