n. The act of requiring; demand; specifically, the demand made by one state upon another for the giving up of a fugitive from law; also, an authoritative demand or official request for a supply of necessaries, as for a military or naval force: a levying of necessaries by hostile troops from the people in whose country they are.n. In Scots law, a demand made by a creditor that a debt be paid or an obligation fulfilled.n. A written call or invitation: as, a requisition for a public meeting.n. The state of being required or desired; request; demand.To make a requisition or demand upon: as, to requisition a community for the support of troops.To demand, as for the use of an army or the public service; also, to get on demanding; seize.To present a requisition or request to: as, to requisition a person to become a candidate for a seat in Parliament.