lock-in

(v) close with or as if with a tight seal
- This vacuum pack locks in the flavor!
seal in,
(v) 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
lock away, put away, shut away, lock up, shut up, lock,

seal in lock away put away shut away lock up shut up lock

lock up