noun

1. a container filled with an explosive, incendiary, or other chemical for dropping or hurling, or for detonating by a timing mechanism
2. bombshell (sense )
3. a small container with compressed gas in it an aerosol bomb
4. a heavily shielded apparatus with radioactive material in it, used in radiotherapy a cobalt bomb
5. ☆ Informal a complete failure: said esp. of a theatrical performance
6. Geol. a mass of lava, usually globular, ejected from a volcano by explosion
7. Football, Slang a long forward pass

Etymology: Fr bombe < It bomba; prob. < L bombus, a buzzing < Gr bombos, deep and hollow sound: orig. echoic

transitive verb

intransitive verb