lock up

verbs

secure by locking
"lock up the house before you go on vacation"
is derived from
is a type of (narrower)
cause to be firmly attached
"fasten the lock onto the door"; "she fixed her gaze on the man"
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"
is derived from