BOMBER

bomber

(noun) a military aircraft that drops bombs during flight

bomber, grinder, hero, hero sandwich, hoagie, hoagy, Cuban sandwich, Italian sandwich, poor boy, sub, submarine, submarine sandwich, torpedo, wedge, zep

(noun) a large sandwich made of a long crusty roll split lengthwise and filled with meats and cheese (and tomato and onion and lettuce and condiments); different names are used in different sections of the United States

bomber

(noun) a person who plants bombs

Source: WordNet® 3.1

Etymology 1

Noun

bomber (plural bombers)

(aviation) A military aircraft designed to carry and drop bombs.

A person who sets bombs, especially as an act of terrorism.

A bomber jacket.

(US) A 22-ounce beer bottle.

A graffiti bomber.

(slang) A large cannabis cigarette.

Etymology 2

A shortened form of bombproof.

Adjective

bomber (comparative more bomber, superlative most bomber)

(climbing, slang) Completely solid and secure, usually referring to some form of protective gear (n.b. the forms "more bomber" or "most bomber" are unusual).