Reserve

Reserve (sometimes Reserves) may refer to:

Economic

Official gold reserves, held by central banks as a store of value
Foreign exchange reserves, the foreign currency deposits held by central banks and monetary authorities
- Reserve currency, a currency which is held in significant quantities as part of foreign exchange reserves
Strategic Petroleum Reserve, an emergency petroleum store maintained by the U.S. Department of Energy
Fractional-reserve banking
Bank reserves, holdings of deposits in central banks plus currency that is physically held in bank vaults
Reserve (accounting), any part of shareholders' equity, except for basic share capital
Reserve (project management), an element of the total project budget provided for realized project changes
Mineral reserves, natural resources that are economically recoverable, e.g. Oil reserves
Actuarial reserves, a liability equal to the present value of the future expected cash flows of a contingent event
Reserve Primary Fund, a money market fund which "broke the buck"
Auction Reserve, a minimum amount of money bid required for a sale in an English auction

Military reserve, military units not initially committed to battle
Military reserve forces, are units formed of military personnel making a long term commitment to train part-time and maintain military skills, typically sacrificing one weekend in four to serve as civilian soldiers who are available to fight when a nation mobilizes for war. Most reserve personnel have served with their regular forces before entering civilian life, and may in addition to their weekend training commitment, serve a longer annual training deployment between two weeks and a month in length.
Reserve components of the United States armed forces, "the Guard and Reserves"
Canadian Forces Primary Reserve, the "Canadian Forces" Reserve Forces
War Reserve Stock, a collection of warfighting material held in reserve in pre-positioned storage to be used if needed in wartime
Regular Army Reserve of Officers, British Army officers holding regular commissions who are in receipt of retired pay and are held on the strength of the Regular Army until they reach the age of fifty five. RARO officers retain their rank and commissions and are liable for recall to active duty as required by the Ministry of Defence.

Game reserve, land set aside for maintenance of wildlife for tourism or hunting
Indian reserve, in Canada, a tract of land reserved for the use and benefit of a band
- Indian reservation, an equivalent concept in the United States
Nature reserve, a protected area of importance for wildlife, flora, fauna or features of geological or other special interest

In the United States:

Reserve wine, a wine that specially designated
Course reserve, library materials reserved for particular users
Dynamic reserve, the set of metabolites that the organism can use for metabolic purposes
Fuel reserve, an extra fuel tank, or extra fuel in the main fuel tank
Recreation reserve, a park with sporting or other recreational facilities
Reserve stockpile, bulk materials reserved for future use
Reserved decision, where a judge takes time to review evidence and the law and delivers a decision at a later time