Reserve
Part of speech: verb
Definition: To keep back; to retain. To keep in store for future or special use. To book in advance; to make a reservation. To serve again (e.g. a tennis ball).
Part of speech: noun
Definition: The act of reserving, or keeping back; reservation; exception. That which is reserved, or kept back, as for future use. A natural resource known to exist but not currently exploited. Restraint of freedom in words or actions; backwardness; caution in personal behavior. A tract of land reserved, or set apart, for a particular purpose; as, the Connecticut Reserve in Ohio, originally set apart for the school fund of Connecticut; the Clergy Reserves in Canada, for the support of the clergy. A tract of land set apart for the use of an Aboriginal group. (Compare US .) A body of troops kept in the rear of an army drawn up for battle, reserved to support the other lines as occasion may require; a force or body of troops kept for an exigency. Funds kept on hand to meet planned or unplanned financial requirements. A member of a team who does not participate from the start of the game, but can be used to replace tired or injured team-mates.
Example sentence: Faith is the black person's federal reserve system.
Stockpile
Part of speech: noun
Definition: A supply of something kept safe for future use.
Part of speech: verb
Definition: To accumulate a stockpile.