Meaning of BREAK IN in English

BREAK IN

Function: intransitive verb

Date: circa 1535

1 : to enter something (as a building or computer system) without consent or by force

2 a : INTRUDE < break in upon his privacy> b : to interrupt a conversation

3 : to start in an activity or enterprise < breaking in as a cub reporter>

transitive verb

1 : to accustom to a certain activity or occurrence < break in the new clerk>

2 : to overcome the stiffness or newness of < break in a pair of shoes>

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