Search Result for "episiotomy": 
Wordnet 3.0

NOUN (1)

1. surgical incision of the perineum to enlarge the vagina and so facilitate delivery during childbirth; 



WordNet (r) 3.0 (2006):

episiotomy
    n 1: surgical incision of the perineum to enlarge the vagina and
         so facilitate delivery during childbirth