bomb
1. bomb \'ba:m\ n [F bombe, fr. It bomba, prob. fr. L bombus deep hollow sound,] fr. Gk bombos, of imit. origin 1: an explosive device fused to detonate under specified conditions 2: a vessel for compressed gases 3: a rounded mass of lava exploded from a volcano 4: a lead-lined container for radioactive material 2. bomb vt : to attack with bombs