Definitions

1. noun

A cartilaginous ring that surrounds the head of a long bone and helps form a joint, especially the shoulder joint.

“The labrum is a critical component of the shoulder joint and requires proper care to prevent injuries.”

2. noun

A ring or circlet, especially one of cartilage, surrounding the head of a long bone.

“The labrum of the femur provides support and stability to the hip joint.”

3. noun

Anatomical structure of various animals, including insects.

“The labrum of the butterfly serves as a protective structure for its antennae.”