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
Meyer underwent surgery for a labrum tear in his left hip last June, ending his season after 12 starts.
—
Barry Jackson, Miami Herald, 21 Nov. 2025
During a match against Rhea Ripley, Morgan suffered a labrum tear in her shoulder.
—Andrew Ravens, MSNBC Newsweek, 27 Oct. 2025
But unbeknownst to anyone, Annett was playing with a torn labrum.
—Richard Dunn, Oc Register, 16 Oct. 2025
Carter missed summer league, training camp and the start of his rookie season after undergoing surgery to repair a torn labrum in his left shoulder in July 2024.
—Jason Anderson, Sacbee.com, 15 Oct. 2025
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Barry Jackson, Miami Herald, 21 Nov. 2025
During a match against Rhea Ripley, Morgan suffered a labrum tear in her shoulder.
—Andrew Ravens, MSNBC Newsweek, 27 Oct. 2025
But unbeknownst to anyone, Annett was playing with a torn labrum.
—Richard Dunn, Oc Register, 16 Oct. 2025
Carter missed summer league, training camp and the start of his rookie season after undergoing surgery to repair a torn labrum in his left shoulder in July 2024.
—Jason Anderson, Sacbee.com, 15 Oct. 2025
See All Example Sentences for labrum
Cite this Entry
“Labrum.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/labrum. Accessed 29 Nov. 2025.
Copy CitationKids Definition
labrum
noun
la·brum
ˈlā-brəm 
: the upper mouthpart of an arthropod in front of or above the mandibles
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