The Collaborative International Dictionary of English v.0.48:
Parotitis \Par`o*ti"tis\, n. [NL. See Parotid, and -itis.] (Med.) Inflammation of the parotid glands. [1913 Webster] Epidemic parotitis or Infectious parotitis, mumps. [1913 Webster]WordNet (r) 3.0 (2006):
parotitis n 1: inflammation of one or both parotid glands