1. noun A formal order, request, or demand for something. Submit a requisition of funding to the accounting department. The government has made a requisition for the suspect extradition from Columbia to be tried in US courts.

2. verb To make a formal order, request, or demand to acquire something for the use or purpose of someone or something. A noun or pronoun is used between "requisition" and "for." I'll try to requisition some additional resources for you. We'll need to requisition more staff for the even next week.