ALL meanings of user name
us·er name
U u - noun user name computing: log-in name 1
- noun user name Also called login name, logon name, sign-in name, sign-on name. a unique sequence of characters used to identify a user and allow access to a computer system, computer network, or online account. 1
- noun user name the part of an email address before the @ sign. 1
- noun user name Alternative spelling of username. 0