Definition of deposit:
(n) :
sediment or rock that is not native to its present location or is different from the surrounding material. Sometimes refers to
ore or
gems; asset that was left to the care of the other
"a mineral deposit"
(v) :
to leave or adhere one material or item onto another; to entrust one's
assets to the care of another. Sometimes done as
collateral
"he deposited his gum on the bottom of the table."