Blast

1. An explosion. The fuel tank blasted when ignited.
2. A loud, sudden sound. The blast was heard for a mile.
3. To open up a hole in, usually by means of a sudden and imprecise method (such as an explosion). They blasted the tree stump with dynamite to remove it.
4. A sudden loud sound, especially one produced by a stream of forced air. There was a piercing blast from the train's whistle.
5. A discharge a gun or firearm. The police began to blast away at the armed bank robbers.