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

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

(clothing) Ellipsis of bomber jacket..

(US, slang) A 22-ounce beer bottle.

Short for graffiti bomber.

(slang) A large cannabis cigarette.

(climbing, slang) Completely solid and secure, usually referring to some form of protective gear.