lock

/lɑk/ v [I/T] (NOT ALLOW CHANGE)

Definition

› to be or hold something in a position or condition where movement, escape, or change is not possible: [T] They’re locked in a lawsuit with their former employer. [I] The cars crashed and the bumpers locked, making it impossible to move. [M] The bank won’t lock in our mortgage rate.

(Definition of lock v (NOT ALLOW CHANGE) from the Cambridge Academic Content Dictionary © Cambridge University Press)

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lock, stock, and barrel idiom

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