D defs.my
Entry 1 sense Webster, 1913

Perineum

· Per·i·ne·um · IPA /ˌpɛɹ.ɪˈni.əm/
01 n. The region which is included within the outlet of the pelvis, and is traversed by the urinogenital canal and the rectum.
  1. 1.
    The region which is included within the outlet of the pelvis, and is traversed by the urinogenital canal and the rectum.(Anat.)