Meaning of BLAST in English

BLAST

( n. )

A forcible stream of air from an orifice, as from a bellows, the mouth, etc. Hence: The continuous blowing to which one charge of ore or metal is subjected in a furnace; as, to melt so many tons of iron at a blast.

Webster's Revised Unabridged English Dictionary.      Пересмотренный полный словарь английского языка Webster.