lock up

Verb	1.	lock up - secure by locking; "lock up the house before you go on vacation"
	2.	lock up - place in a place where something cannot be removed or someone cannot escape; "The parents locked her daughter up for the weekend"; "She locked her jewels in the safe" Synonyms: lock away, put away, shut away, shut up, lock in, lock

fasten, fix, locking, lockup, secure