break–in

noun \ˈbrāk-ˌin\

: the act or crime of illegally entering a house, building, etc., especially by using force

Full Definition of BREAK-IN

: the act or action of breaking in <a rash of break–ins at the new apartment house>

: a performance or a series of performances serving as a trial run

: an initial period of operation during which working parts begin to function efficiently

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1856

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