lock in

Definition of lock in

  1. 1 :  to put or keep (someone or something) in a locked place, room, etc. She locked her brother in the bathroom. They locked the jewels in a safe. They threatened to lock him in jail.

  2. 2 :  to do something that makes one sure to get (something that could change, such as a good price, an interest rate, etc.) If you sign the contract today, you can lock in this low interest rate before it goes any higher.

Word by Word Definitions

  1. :  a tuft, tress, or ringlet of hair

    :  the hair of the head

    :  a cohering bunch (as of wool, cotton, or flax) :  tuft

  1. :  a fastening (as for a door) operated by a key or a combination

    :  the mechanism for exploding the charge or cartridge of a firearm

    :  an enclosure (as in a canal) with gates at each end used in raising or lowering boats as they pass from level to level

  1. :  to fasten the lock of

    :  to make fast with or as if with a lock

    :  to fasten in or out or to make secure or inaccessible by or as if by means of locks

Seen and Heard

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