Definition of: requisition

(rek′wə·zish′ən) noun
1. A formal request, summons, or demand, as by a government.
2. A necessity or requirement.
3. The state of being required.
4. A demand for the surrender of a fugitive from justice made by the governing official of one state or country upon another.
—v.t. To make a requisition for or upon; demand or take upon requisition. [<L requisitio, -onis <requisitus, pp. of requirere. See REQUIRE.]