/
ˌrɛkwɪˈzɪʃ(ə)n/
n.
   - an official order laying claim to the use of property or materials.
 - the appropriation of goods for military or public use.
 - a formal written demand that something should be performed or put into operation.
 
v.
 demand the use, supply, or performance of by a requisition.
Derivative
- requisitioner n.
  - requisitionist n.
 
Etymology
ME: from OFr., or from L. requisitio(n-), from requirere (see require).