perineotomy

[pĕr′ə-nē-ŏtə-mē]

n.

Incision into the perineum, as in external urethrotomy or lithotomy or to facilitate childbirth.

The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.