deposit

from The American Heritage® Dictionary of the English Language, 5th Edition.

• intransitive verb To put or set down; place.
• intransitive verb To lay down or leave behind by a natural process.
• intransitive verb To give over or entrust for safekeeping.
• intransitive verb To put (money) in a bank or financial account.
• intransitive verb To give as partial payment or security.
• intransitive verb To become deposited; settle.
• noun Something, such as money, that is entrusted for safekeeping, as in a bank.
• noun The condition of being deposited.
• noun A partial or initial payment of a cost or debt.
• noun A sum of money given as security for an item acquired for temporary use.
• noun A depository.
• noun Something deposited, especially by a natural process, as.
• noun Geology A concentration of mineral matter or sediment in a layer, vein, or pocket.
• noun Physiology An accumulation of organic or inorganic material, such as a lipid or mineral, in a body tissue, structure, or fluid.
• noun A sediment or precipitate that has settled out of a solution.
• noun A coating or crust left on a surface, as by evaporation or electrolysis.

from The Century Dictionary.

• To lay down; place; put: as, a crocodile deposits her eggs in the sand; soil deposited by a river.
• To lay away; lay in a place for preservation or safe-keeping; store: as, to deposit goods in a warehouse.
• To place for care or custody; lodge in trust; place: as, to deposit money in a bank; to deposit bonds or goods with a creditor as security.
• To lay or set aside; get rid of.
• To settle or be formed by deposition; descend and rest or become attached.
• noun That which is laid or thrown down; matter laid down or lodged in a place, or settled by subsidence or precipitation, as from a fluid medium.
• noun Specifically
• noun In geology, any mass of material which has been thrown down from, or moved and gathered together by, water, or which has been separated from a solution by chemical agencies. Irregularity of form is rather a characteristic of a deposit; if the material be evenly and uniformly distributed, it would more generally be termed a bed or layer. The products of volcanic agencies are rarely designated by the term deposit.
• noun In mining, the most general term for an accumulation, or “occurrence,” of ore, of whatever form or nature it may be; but the word ore is generally added. (See ore-deposit.) By some authors the term deposit is used as meaning a mode of occurrence of ore supposed to be less permanent in its character than a true vein. Thus, flat masses or sheets would often be called deposits, especially if not exhibiting any of the special characters of true or fissure veins. (See vein.)
• noun The metallic coating precipitated by galvanic action from a chemical solution upon a ground or base, as the film of gold or silver on plated articles, or of copper on copper-faced type, or the copper shell of an electrotype plate.
• noun Anything intrusted to the care of another; something given into custody for safe-keeping; specifically, money lodged in a bank for safety or convenience.
• noun A place where things are deposited; a depository.
• noun The state or fact of being deposited or stored in the care of another; storage: as, to have money on deposit in a bank; safe deposit.
• noun A pledge; a pawn; something given as security. Specifically
• noun In law: A sum of money which one puts into the hands of another to secure the fulfilment of some agreement, or as a part payment in advance.
• noun A naked bailment of personal property, to be kept for the bailor without recompense, and to be returned when he shall require it.
• noun In Scots law, same as depositation.
• noun Deposition.

from the GNU version of the Collaborative International Dictionary of English.

• noun That which is deposited, or laid or thrown down; ; 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).
• noun (Mining) A natural occurrence of a useful mineral under the conditions to invite exploitation.
• noun 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.
• noun A bailment of money or goods to be kept gratuitously for the bailor.
• noun Money lodged with a party as earnest or security for the performance of a duty assumed by the person depositing.
• noun rare A place of deposit; a depository.
• noun See under Bank.
• noun in trust or safe keeping as a deposit.
• transitive verb To lay down; to place; to put; to let fall or throw down (as sediment)
• transitive verb To lay up or away for safe keeping; to put up; to store.
• transitive verb To lodge in some one's hands for safe keeping; to commit to the custody of another; to intrust; esp., to place in a bank, as a sum of money subject to order.
• transitive verb obsolete To lay aside; to rid one's self of.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• noun Sediment or rock that is not native to its present location or is different from the surrounding material. Sometimes refers to ore or gems.