BOMB

I. noun Etymology: French ~e, from Italian ~a, probably from Latin ~us deep hollow sound, from Greek ~os, of imitative origin Date: 1684 1. an explosive device fused to detonate under specified conditions, atomic ~ , a vessel for compressed gases: as, a pressure vessel for conducting chemical experiments, a container for an aerosol (as an insecticide) ; spray can , a rounded mass of lava exploded from a volcano, a lead-lined container for radioactive material, failure , flop , a large sum of money, 7. a great success ; hit , one that is striking or extraordinary, 8. a long pass in football, a very long shot (as in basketball) , something unexpected and unpleasant, II. verb Date: 1688 transitive verb to attack with or as if with ~s ; ~ard , to defeat decisively, to hit (as a baseball or a golf shot) very hard, intransitive verb to fall flat ; fail , to move rapidly , ~ing noun