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 shoulder girdle

Examples of labrum in a Sentence

Recent Examples on the Web

This usually results in an injury to the stabilizing bumper known as the labrum and in a young patient will usually require surgery to prevent recurrent dislocations. Dr. Harlan Selesnick, miamiherald, "What is the difference between a separated and a dislocated shoulder? | Miami Herald," 23 Apr. 2018 For years, nobody has missed as much time from a single labrum surgery as Luck has missed, and continues to miss. Gregg Doyel, Indianapolis Star, "Doyel: Hard to believe Colts aren't worried about Andrew Luck's shoulder," 7 June 2018 At the plate, outfielder Eddie Sweeney, hitting over .450 with five homers 17 RBI, hasn’t missed a beat in returning from a labrum injury that cost him the end of his junior season. Sean Begin,, "High School Baseball: Experienced Hand, H-K Off To Hot Starts In Soggy Spring," 28 Apr. 2018 Peppers also forced two fumbles and recovered two fumbles, despite playing with a labrum injury that required surgery after the season. Joseph Person, charlotteobserver, "DE Julius Peppers will return to Panthers for 17th NFL season | Charlotte Observer," 14 Mar. 2018 The quarterback lost his starting job in November 1998, then tore the labrum in his throwing shoulder minutes into the Chargers’ first training camp of 1999. Ryan Ford, Detroit Free Press, "From Manning to Moss, the bests and busts of the 1998 NFL draft," 29 Apr. 2018 Isaiah Thomas doesn't regret playing through his torn labrum for a very personal reason. Tania Ganguli,, "Lakers! With or without superstar additions, the Lakers are poised to become a playoff team next year," 19 Apr. 2018 But Morris’ ascension as one of Bloom’s long line of elite jumpers came to a screeching halt early in 2017 when she was diagnosed with a hip labrum tear. Steve Soucie, Daily Southtown, "More to come from Hannah Morris: Minnesota recruit getting back into top form for Bloom," 16 Apr. 2018 The left elbow — and forearm, labrum, rotator cuff and all other body parts needed to throw a baseball — felt fine for every pitch during spring training. Jeff Wilson, star-telegram, "Perez wins 2018 debut, hopes to give Rangers 'what they've been waiting for' | Fort Worth Star-Telegram," 5 Apr. 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'labrum.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of labrum

1578, in the meaning defined at sense 2

History and Etymology for labrum

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

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Dictionary Entries near labrum







La Bruyère

Statistics for labrum

Last Updated

13 Sep 2018

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Time Traveler for labrum

The first known use of labrum was in 1578

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More Definitions for labrum


la·brum | \ ˈlā-brəm \
plural labra\-brə \

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: as

a : glenoid labrum

b : acetabular labrum

Comments on labrum

What made you want to look up labrum? Please tell us where you read or heard it (including the quote, if possible).


to deposit or conceal in a hiding place

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