applicationap·pli·ca·tion /ˌæplɪˈkeɪʃən/ noun1[countableC] a formal, usually written, request for something or for permission to do somethingan application to do somethingIt has submitted an application to establish a distribution company.
The company filed an application with the Food and Drug Administration to begin trials on the drug.
application foran application for a grant
Fill in your application form and return it to us before 30 April.
→ job application → multiple (share) application → originating application → planning application → share application → speculative application2[countableC] a practical use for somethingSheet steel is used in a wide variety of applications, ranging from pails to car hoods.
3[countableC]COMPUTING a piece of software for a particular use or jobThe top-selling application was Microsoft Office.
→ multiple applications