Source : Webster's Revised Unabridged Dictionary (1913)

Parotitis \Par`o*ti"tis\, n. [NL. See {Parotid}, and {-itis}.]
   (Med.)
   Inflammation of the parotid glands.

   {Epidemic}, or {Infectious}, {parotitis}, mumps.

Source : WordNet®

parotitis
     n : inflammation of one or both parotid glands