Meaning of BLAST in English
( 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. 2012