noun

1. An artificial obstruction, such as a dam, in a river designed to increase its depth or to divert its flow.

2. A heavy curtain of artillery fire directed in front of one's own troops to screen and protect them.

3. A concentrated discharge of projectile weapons.

4. (by extension) An overwhelming outburst of words, especially of criticism.

5. A "next hit wins" contest to determine the winner of a bout in case of a tie.

6. Type of firework containing a mixture of firework types in one single-ignition package.