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)
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.