Definitions
1.nounA violent gust of wind.
2.nounA forcible stream of gas or liquid from an orifice, for example from a bellows, the mouth, etc.
3.nounA hit from a pipe.
4.nounThe continuous blowing to which one charge of ore or metal is subjected in a furnace"many tons of iron were melted at a blast"
5.nounThe exhaust steam from an engine, driving a column of air out of a boiler chimney, and thus creating an intense draught through the fire; also, any draught produced by the blast.
6.nounAn explosion, especially for the purpose of destroying a mass of rock, etc.
7.nounAn explosive charge for blasting.
8.nounA loud, sudden sound.
9.nounA sudden, pernicious effect, as if by a noxious wind, especially on animals and plants; a blight.
10.nounA good time; an enjoyable moment."We had a blast at the party last night."
11.nounA promotional message sent to an entire mailing list."an e-mail blast; a fax blast"
12.nounA flatulent disease of sheep.