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