'letter bomb' definitions:
Definition of 'letter bomb'
(from WordNet)
noun
A thin explosive device inside an envelope or package and detonated when opened [syn: letter bomb, parcel bomb, package bomb]
verb
Send an explosive to; "The Unabomber letter bombed a number of individuals and institutions"
Definition of 'letter bomb'
From: GCIDE
- letter bomb \let"ter bomb`\, letter-bomb \let"ter-bomb`\n. A bomb disguised as a letter and sent through the mail, usually rigged to explode and kill or harm the recipient when opened. [WordNet 1.5]