Definition of blaster
: someone or something that blasts something: such as
a : one whose work is shattering or demolishing something (such as rock) with an explosive device or agent Demolition companies that level buildings with explosive charges—and so are called blasters—have been letting the team plant transmitters in the ill-fated structures …— Peter Weiss At work in their gaslit catacomb the laborers split into the specialty groups that would become standard in tunnel driving: drillers and blasters worked the heading, blasting out the raw rock …— Donald Dale Jackson
b : something that produces a loud sound specifically : a radio with powerful speakers : ghetto blaster … he listens to alternative rock—Live, Pearl Jam, Nirvana, Green Day—very loud, dutifully shouting answers over the blaster and the hair dryer. — Fred Schruers
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