Search Result：letter bomb
letter bomb 
(TTS Sound)
(TTS Sound)Overview of noun letter_bomb
The noun letter bomb has 1 sense
- letter bomb, parcel bomb, package bomb -- (a thin explosive device inside an envelope or package and detonated when opened)
Overview of verb letter_bomb
The verb letter bomb has 1 sense
- letter bomb -- (send an explosive to; "The Unabomber letter bombed a number of individuals and institutions")