Dictionary

labrum

noun la·brum \ˈlā-brəm\

Definition of LABRUM

1
:  an upper or anterior mouthpart of an arthropod consisting of a single median piece in front of or above the mandibles
2
:  a ring of fibrous cartilage forming the margin of the shallow cavity of the upper part of the scapula by which the humerus articulates with the pectoral girdle
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Origin of LABRUM

New Latin, from Latin, lip, edge — more at lip
First Known Use: 1826
Medical Dictionary

labrum

noun la·brum \ˈlā-brəm\

Medical Definition of LABRUM

1
:  an upper or anterior mouthpart of an arthropod consisting of a single median piece in front of or above the mandibles
2
:  a fibrous ring of cartilage attached to the rim of a joint; especially :  glenoid labrum

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