labrum

noun

la·​brum ˈlā-brəm How to pronounce labrum (audio)
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
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Last season, Minter was effective until undergoing labrum surgery, but the underlying numbers were concerning. Abbey Mastracco, New York Daily News, 17 Jan. 2025 Just as the London Olympics began, Cook tore her labrum and underwent major reconstructive surgery on her shoulder. Tim Genske, Forbes, 16 Jan. 2025 This condition can cause a tear in the labrum (the tissue that surrounds the socket), and a pinching of the joint. Caroline C. Boyle, USA TODAY, 29 Nov. 2024 McLain underwent surgery to his left shoulder to repair the labrum and address cartilage damage in late March, threatening to erase his 2024 season. C. Trent Rosecrans, The Athletic, 23 July 2024 See all Example Sentences for labrum 

Word History

Etymology

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

First Known Use

1578, in the meaning defined at sense 2

Time Traveler
The first known use of labrum was in 1578

Dictionary Entries Near labrum

Cite this Entry

“Labrum.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/labrum. Accessed 26 Jan. 2025.

Kids Definition

labrum

noun
la·​brum ˈlā-brəm How to pronounce labrum (audio)
: the upper mouthpart of an arthropod in front of or above the mandibles

Medical Definition

labrum

noun
la·​brum ˈlā-brəm How to pronounce labrum (audio)
plural labra -brə How to pronounce labrum (audio)
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
Last Updated: - Updated example sentences
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