Mumps

Mumps (?), n. [Prov. E. mump to be sulky. Cf. Mump, Mumble, and Mum.] 1. pl. Sullenness; silent displeasure; the sulks. Skinner.

2. [Prob. so called from the patient's appearance.] (Med.) A specific infectious febrile disorder characterized by a nonsuppurative inflammation of the parotid glands; epidemic or infectious parotitis.