pseudonym Meaning, Definition & Usage

  1. noun a fictitious name used when the person performs a particular social role
    nom de guerre; anonym.

WordNet

Pseu"do*nym noun
Etymology
Cf. F. pseudonyme. See Pseudonymous.
Definitions
  1. A fictitious name assumed for the time, as by an author; a pen name. Written also pseudonyme.

Webster 1913