The Collaborative International Dictionary of English v.0.48:
Comedian \Co*me"di*an\, n. [Cf. F. com['e]dien.] 1. An actor or player in comedy. "The famous comedian, Roscius." --Middleton. [1913 Webster] 2. A writer of comedy. --Milton. [1913 Webster]WordNet (r) 3.0 (2006):
comedian n 1: a professional performer who tells jokes and performs comical acts [syn: comedian, comic] 2: an actor in a comedy