'Sobriquet' definitions:

Definition of 'sobriquet'

(from WordNet)
noun
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" [syn: nickname, moniker, cognomen, sobriquet, soubriquet, byname]

Definition of 'Sobriquet'

From: GCIDE
  • Sobriquet \So`bri`quet"\ (s[-o]`br[-e]`k[asl]"), n.[F. sobriquet, OF. soubzbriquet, soubriquet, a chuck under the chin, hence, an affront, a nickname; of uncertain origin; cf. It. sottobecco a chuck under the chin.] An assumed name; a fanciful epithet or appellation; a nickname. [Sometimes less correctly written soubriquet.] [1913 Webster]