Labrum

Labrum Latin, defined as "having the edge"
 * Labrum (architecture), a large water-filled vessel or basin with an overhanging lip
 * Labrum (arthropod mouthpart), a flap-like structure in front of the mouth in almost all extant Euarthropoda
 * Bronwyn Labrum, New Zealand cultural historian and author
 * Delta Crateris, a star in the constellation Crater with the traditional name Labrum
 * Acetabular labrum, a ring of cartilage that surrounds the acetabulum, the socket of the hip joint
 * Glenoid labrum, a lip-like projection of cartilage on the human scapula (shoulder blade) surrounding the joint between the humerus and the shoulder blade