(computing) Created or defined by the user of a system, rather than being included in the original package.

(rail transport, UK) Of a level crossing, one where a railway crosses a right of way such as a road on private land, a footpath or a bridleway. Any gates or barriers provided often need to be operated manually, with some crossings requiring users to telephone a signaller to check that it is safe to cross.

Alternative spelling of username

Alternative spelling of user-friendly

Alternative spelling of superuser

Alternative form of user guide.

Alternative form of multiuser

Alternative form of usercentric

plural of user page

(wikis) The main page associated with a particular editor, often including autobiographical and personal content, testing and drafts, notices, etc.