Meaning of BREAK-IN in English

BREAK-IN

Pronunciation: ' br ā k- ˌ in

Function: noun

Date: 1856

1 : the act or action of breaking in <a rash of break-in s at the new apartment house>

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

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

Merriam Webster Collegiate English Dictionary.      Merriam Webster - Энциклопедический словарь английского языка.