a contract, deed, bond, or other written agreement deposited with a third person, by whom it is to be delivered to the grantee or promisee on the fulfillment of some condition.

to place in escrow

The home seller agrees to escrow the sum of

in escrow

in the keeping of a third person for delivery to a given party upon the fulfillment of some condition.

noun

bond , deed , guarantee , insurance , pledge , security