lock in

US /lɑːk ɪn/
UK /lɑːk ɪn/
"lock in" picture
1.

to make something secure or fixed in a particular position or state

:
•
The new contract will lock in lower prices for the next five years.
•
Make sure to lock in your position before the market closes.
:
securefastenfixestablishguarantee
2.

to confine someone or something in a place, often against their will

:
•
The police had to lock in the suspect until morning.
•
The bad weather will lock us in for the weekend.
:
confineimprisontrapenclosedetain
:
locklock intolock awaylocked-in syndromelock upcentral lockinglock out