Webster’s Revised Unabridged Dictionary · 1913 Cham Cham (chăm), v. t. [See Chap.] To chew. [Obs. or Prov. Eng.] Sir T. More. Cham (kăm), n. [See Khan.] The sovereign prince of Tartary; — now usually written khan. Shak. ‹ Chalybite Chamade ›