external urethral opening

n.
  1. The slitlike opening of the urethra in the glans penis.
  2. In the female, the external orifice of the urethra in the vestibule.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.