to make a building safe by locking the doors and windows; to put sb in prison; to put sth in a safe place that can be locked
Oxford62% of films
to make a building safe by locking the doors and windows
Oxford15% of films
to put sb in prison
You want to lock up poisoners?
Oxford8% of films
to put sth in a safe place that can be locked
Definitions from the Oxford Advanced Learner's Dictionary, 9th edition