n 1 : the act or process of perforating : specif : the penetration of a body part through accident or disease <spontaneous of the sigmoid colon in the presence of diverticulosis -Jour. Amer. Med. Assoc.> 2 a : a rupture in a body part caused esp. by accident or disease b : a natural opening in an organ or body part <small s opening at the bottom of the sulci -Ferdinand Canu & R. S. Bassler> .
Similar sounding terms: per·ver·sion
Published under license with Merriam-Webster, Incorporated. © 1997-2004.