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Pronunciation: (bom), [key]
1. Mil.a projectile, formerly usually spherical, filled with a bursting charge and exploded by means of a fuze, by impact, or otherwise, now generally designed to be dropped from an aircraft.
2. any similar missile or explosive device used as a weapon, to disperse crowds, etc.: a time bomb; a smoke bomb.
3. Also called volcanic bomb. Geol.a rough spherical or ellipsoidal mass of lava, ejected from a volcano and hardened while falling.
4. See aerosol bomb.
5. Football.a long forward pass, esp. one to a teammate who scores a touchdown.
6. Slang.
a. an absolute failure; fiasco: The play was a bomb and closed after two performances.
b. Chiefly Brit.an overwhelming success: The novel is selling like a bomb.
7. Jazz.a sudden, unexpected accent or rhythmic figure played by a drummer during a performance.
8. a lead or lead-lined container for transporting and storing radioactive materials.
9. the bomb,
a. See atomic bomb.
b. nuclear weapons collectively.
10. Computers.a spectacular program or system failure.
11. Slang.a powerful automobile or other vehicle.

1. to hurl bombs at or drop bombs upon, as from an airplane; bombard: The enemy planes bombed the city.
2. to explode by means of a bomb or explosive.
3. Computers.to deliberately cause (a computer system) to fail with a program written for the purpose.

1. to hurl or drop bombs.
2. to explode a bomb or bombs.
3. Slang.to be or make a complete failure, esp. to fail to please or gain an audience; flop (sometimes fol. by out): His last play bombed on Broadway. The business bombed out with a $25,000 debt.
4. (of a computer program or system) to fail spectacularly.
5. Informal.to move very quickly: They came bombing through here on their motorcycles at 2 a.m.

Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.

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