n. The act of depositing; a laying down; lodgment or precipitation: as, the deposition of stones by a moving glacier, or of sediment by a river; the deposition of a metallic coating by galvanism.n. That which is deposited or placed; a deposit.n. The act of laying down or bringing to notice; presentation.n. Declaration; assertion; specifically, in law, testimony taken under interrogatories, written or oral, before an authorized officer, to be used as a substitute for the production of the witness in open court.n. In civil and common law: A deposit; a naked bailment of goods, to be kept for the bailor without reward, and to be returned when he shall require it, or delivered according to the object or purpose of the original trust.n. The thing so deposited.n. The act of deposing a person from an office, or of depriving him of a dignity; specifically, the act of dethroning, or of removing from some important office or trust.n. In surgery, the depression of the lens of the eye in the operation of couching.n. The burial of a saint's body, or the act of transferring his remains or relics to a new resting-place or shrine; the festival commemorating such burial or translation: as, the Deposition of St. Martin.n. In geology, the accumulation of sediments, or the precipitation of minerals (particularly ores) from solution.