1. That 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. (Science: chemical) 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; somthing intrusted to the care of another; especially, money lodged with a bank or banker, subject to order; anything given as pledge or security.
4. A bailment of money or goods to be kept gratuitously for the bailor. 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. Bank of deposit. See bank. In deposit, or on deposit, in trust or safe keeping as a deposit; as, coins were recieved on deposit.
Origin: L. Depositum, fr. Depositus, p. P. Of deponere: cf. F. Depot, OF. Depost. See deposit, and cf. Depot.