腮腺炎 sāixiànyán mumps Definitions Defs Origin Strokes Stroke Words Sentences Sents 流行性腮腺炎 liúxíngxìngsāixiànyán mumps mumps; epidemic parotitis, an acute viral infection characterized by swelling of the parotid glands, fever, and pain; most common in children and usually results in lifelong immunity