WordReference Random House Unabridged Dictionary of American English © 2025
u•re•thros•to•my
(yŏŏr′ə thros′tə mē),USA pronunciation n., pl. -mies. [Surg.]
- Surgerythe construction of an artificial opening from the urethra through the perineum, permitting the passage of urine.
- Surgerythe opening so constructed.
- urethro- + -stomy 1895–1900