labrum

noun

la·​brum ˈlā-brəm 

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 shoulder girdle

Examples of labrum in a Sentence

Recent Examples on the Web

Peterson is 3-0 with a 3.97 ERA in four starts since returning from offseason hip labrum surgery. —Abbey Mastracco, New York Daily News, 21 June 2024

This deformity can lead to a tearing of a cartilage in the hip joint called the labrum. —Harlan Selesnick, Miami Herald, 6 June 2024

In only his second start since returning from offseason hip labrum surgery, Peterson worked quickly and efficiently throughout. —Abbey Mastracco, New York Daily News, 4 June 2024

Lee previously had his left labrum operated on while in Korea in 2018. —Evan Webeck, The Mercury News, 17 May 2024

Word History

Etymology

New Latin, from Latin, lip, edge — more at lip

First Known Use

1578, in the meaning defined at sense 2

Kids Definition

labrum

noun

la·​brum ˈlā-brəm 

: the upper mouthpart of an arthropod in front of or above the mandibles

Medical Definition

labrum

noun

la·​brum ˈlā-brəm 

plural labra -brə 

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: as

a

: glenoid labrum

b

: acetabular labrum