Source : Webster's Revised Unabridged Dictionary (1913)

Cox \Cox\ (k?ks), n. [OE. cokes. Cf. {Coax}.]
   A coxcomb; a simpleton; a gull. [Obs.]

         Go; you're a brainless cox, a toy, a fop. --Beau. & Fl.

Source : WordNet®

Cox
     n 1: either of two related enzymes that control the production of
          prostaglandins and are blocked by aspirin [syn: {cyclooxygenase}]
     2: the helmsman of a ship's boat or a racing crew [syn: {coxswain}]