Noun

• S: (n) nickname, moniker, cognomen, sobriquet, soubriquet, byname (a familiar name for a person (often a shortened version of a person's given name)) "Joe's mother would not use his nickname and always called him Joseph"; "Henry's nickname was Slim"
• S: (n) nickname (a descriptive name for a place or thing) "the nickname for the U.S. Constitution is `Old Ironsides'"

Verb

• S: (v) dub, nickname (give a nickname to)