a name added to or substituted for the proper name of a person, place, etc., as in affection, ridicule, or familiarity: He has always loathed his nickname of “Whizzer.”
2.
a familiar form of a proper name, as Jim for James and Peg for Margaret.
verb (used with object)
3.
to give a nickname to (a person, town, etc.); call by a nickname.
4.
Archaic.to call by an incorrect or improper name; misname.
Origin: 1400–50;late Middle Englishnekename, for ekename (the phrase an ekename being taken as a nekename). See eke2, name; cf. newt
1440, misdivision of ekename (c.1300), an eke name, lit. "an additional name," from O.E. eaca "an increase," related to eacian "to increase" (see eke).