A hidden supply or fund.
A cache of valuable objects or artefacts; a trove.
A hoarding (temporary structure used during construction).
A hoarding (billboard).
A projecting structure (especially of wood) in a fortification, somewhat similar to and later superseded by the brattice.
To amass, usually for one's own private collection.
A supply (especially a large one) of something kept for future use, specifically in case the cost of the item increases or if there a shortage.
A supply of nuclear weapons kept by a country; a nuclear stockpile.
A pile of coal or ore heaped up on the ground after it has been mined.
To accumulate or build up a supply of (something).
To build up a stock of (nuclear weapons).
To heap up piles of (coal or ore) on the ground after it has been mined.
To build up a supply; to accumulate.