inguinal triangle

n.
  1. The triangular area in the lower abdominal wall bounded by the inguinal ligament below, by the rectus muscle of the abdomen medially, and by the inferior epigastric vessels laterally.Hesselbach's triangle inguinal trigone
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.