ETYM Old Eng. ekename surname, hence, a nickname, an ekename being understood as a nekename, influenced also by Eng. nick, v. Related to Eke, and Name.
A familiar name (often a shortened version of a person's given name); SYN. moniker, cognomen, sobriquet, soubriquet.
A name used in the destination field of an e-mail editor in place of one or more complete network addresses. For example “Fred” might be a nickname for firstname.lastname@example.org. If the nickname has been established within the program, a user need only type “Fred” instead of the entire address, or perhaps “history faculty” instead of all the individual faculty addresses. See also alias (definition 2).