excavation (medicine) excavation (medicine) in medicine, excavation has two meanings: the act of hollowing out the space hollowed out, or a natural cavity or pouch examples of the latter include: rectouterine pouch or excavation, between the uterus and the rectum rectovesical excavation, between the rectum and the male bladder vesicouterine excavation, between the bladder and the uterus in a female this article is issued from wikipedia. the text is licensed under creative commons - attribution - sharealike. additional terms may apply for the media files.