Bomb chest (Mil.), a chest filled with bombs, or only with gunpowder, placed under ground, to cause destruction by its explosion. -- Bomb ketch, Bomb vessel (Naut.), a small ketch or vessel, very strongly built, on which mortars are mounted to be used in naval bombardments; -- called also mortar vessel. -- Bomb lance, a lance or harpoon with an explosive head, used in whale fishing. -- Volcanic bomb, a mass of lava of a spherical or pear shape. "I noticed volcanic bombs." Darwin.
Bomb, v. t. To bombard. [Obs.] Prior.
Bomb, v. i. [Cf. Boom.] To sound; to boom; to make a humming or buzzing sound. [Obs.] B. Jonson.