The Collaborative International Dictionary of English v.0.48:

male chauvinism \male chauvinism\ n.
   Disparaging, patronizing, discriminatory or abusive speech or
   behavior by males toward females stemming from a belief that
   males are superior to females and females therefore worthy of
   less respect and inferior treatment. A form of sexism.
   [WordNet 1.5 +PJC]

WordNet (r) 3.0 (2006):

male chauvinism
    n 1: activity indicative of belief in the superiority of men
         over women [syn: male chauvinism, chauvinism,
         antifeminism]