Source : Webster's Revised Unabridged Dictionary (1913)

Cerumen \Ce*ru"men\, n. [NL., fr. L. cera wax.] (Physiol.)
   The yellow, waxlike secretion from the glands of the external
   ear; the earwax.

Source : WordNet®

cerumen
     n : a soft yellow wax secreted by glands in the ear canal [syn:
         {earwax}]