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

Thomas had surgery in late March after suffering a torn hip labrum in the 2017 playoffs last March. Alysha Tsuji, For The Win, "Isaiah Thomas says he's 'finally pain free' 2 months after hip surgery," 16 May 2018 According to Johns Hopkins Medicine, the labrum is a fibrocartilage attached to the rim of the shoulder socket that helps keep the ball of the joint in place. Perry A. Farrell, Detroit Free Press, "5-star Devontae Dobbs mulling college offers while rehabbing shoulder," 24 Apr. 2018 Playing through pain: Wynn suffered a torn labrum on Nov. 18 against Kentucky. Rachel G. Bowers,, "Meet the Patriots’ 2018 NFL Draft class," 30 Apr. 2018 Nagy, who went to the hospital and spoke with police officers later that night, suffered two labrum tears that required surgery, authorities said. Christy Gutowski,, "Former Wheaton College football player sues school, former teammates over hazing incident," 16 Mar. 2018 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

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.

See More

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

Keep scrolling for more

Learn More about labrum

Dictionary Entries near labrum







La Bruyère

Statistics for labrum

Look-up Popularity

Time Traveler for labrum

The first known use of labrum was in 1578

See more words from the same year

Keep scrolling for more

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

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).


important, real, or meaningful

Get Word of the Day daily email!

Test Your Vocabulary

Homophone Quiz

  • three-bears-two-of-them-look-like-theyre-whispering-to-a-third-bear-who-looks-chuffed-to-be-the-center-of-attention
  • In order to judge how people felt, the senator's office hired a firm to take a ______.
Spell It

Can you spell these 10 commonly misspelled words?

Add Diction

Test Your Knowledge - and learn some interesting things along the way.


Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!