›a question in which you ask for something: They have not yet responded to our request for information.make a request (for sth)They have made a formal request for access to our financial records.at the request of sb/at sb's requestChanges were made to the contract at the request of our partners. decline/turn down a requestreceive a requestrespond to a request
on request›if something is available on request, you have to ask for it if you want it: A schedule of fees is available on request.