The Collaborative International Dictionary of English v.0.48:
Urethritis \U`re*thri"tis\, n. [NL. See Urethra, and -itis.] (Med.) Inflammation of the urethra. [1913 Webster]WordNet (r) 3.0 (2006):
urethritis n 1: inflammation of the urethra; results in painful urination