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

The past transfer from Colorado to Oregon started all four games and stayed in for every defensive snap prior to suffering a torn labrum. —Oliver Thomas, Forbes, 16 Dec. 2024

The Jaguars announced that their key pass-catching tight end Evan Engram's season is officially done due to a torn labrum that will require surgery. —Stephan Pechdimaldji, Newsweek, 13 Dec. 2024

Gonzalez, who missed most of last season with a torn labrum suffered in Week 4, continued his 2023 trend of limiting top wide receivers Sunday against Ja’Marr Chase. —Doug Kyed, Boston Herald, 8 Sep. 2024

Mayfield tore his left shoulder labrum in Week 2 and suffered a non-displaced left shoulder fracture in Week 6. —Jeff Howe, The Athletic, 29 July 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