WordNet (r) 3.0 (2006):

inguinal canal
    n 1: oblique passage through the lower abdominal wall; in males
         it is the passage through which the testes descend into the
         scrotum and it contains the spermatic cord; in females it
         transmits the round ligament of the uterus [syn: inguinal
         canal, canalis inguinalis]