De·pos·it, n.
 1. That which is deposited, or laid or thrown down; as, a deposit in a flue; especially, matter precipitated from a solution (as the siliceous deposits of hot springs), or that which is mechanically deposited (as the mud, gravel, etc., deposits of a river).
    The deposit already formed affording to the succeeding portion of the charged fluid a basis.   --Kirwan.
 2. Mining A natural occurrence of a useful mineral under the conditions to invite exploitation.
 3. That which is placed anywhere, or in any one's hands, for safe keeping; something intrusted to the care of another; esp., money lodged with a bank or banker, subject to order; anything given as pledge or security.
 4. Law (a) A bailment of money or goods to be kept gratuitously for the bailor. (b) Money lodged with a party as earnest or security for the performance of a duty assumed by the person depositing.
 5. A place of deposit; a depository. [R.]
 Bank of deposit. See under Bank.
 In deposit, or On deposit, in trust or safe keeping as a deposit; as, coins were received on deposit.
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