<p><strong>Noun</strong></p><ul><li>the act of requiring or demanding.</li><li>a demand made.</li><li>an authoritative or formal demand for something to be done, given, supplied, etc.: The general issued a requisition to the townspeople for eight trucks.</li><li>a written request or order for something, as supplies.</li><li>the form on which such an order is drawn up.</li><li>the state of being required for use or called into service: to put something in requisition.</li><li>a requirement or essential condition.</li></ul><p><strong>Verb (used with object)</strong></p><ul><li>to require or take for use; press into service.</li><li>to demand or take, as by authority, for military purposes, public needs, etc.: to requisition supplies.</li></ul>