urethrostomy [yoo r-uh-thros-tuh-mee] Word Origin noun, plural u·re·thros·to·mies. Surgery.
- the construction of an artificial opening from the urethra through the perineum, permitting the passage of urine.
- the opening so constructed.
Origin of urethrostomy First recorded in 1895–1900;+ urethrostomy in Medicine urethrostomy [yur′ə-thrŏs′tə-mē] n.
- Surgical construction of an artificial excretory opening from the urethra.
- The opening that is created by such a procedure.