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
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Then, after seemingly recovering from the injury, Ohtani tore his labrum in his left shoulder on an awkward slide during last year’s World Series.
—
Sean Neumann, People.com, 17 June 2025
When the shoulder pops out, known as a dislocation or subluxation, the labrum is usually torn off the bone.
—Harlan Selesnick, Miami Herald, 29 May 2025
Hunter Lawrence finished second in the 2024 motocross championships and had surgery after tearing his labrum and suffering a small fracture in a 2025 Supercross fall.
—Bill Center, San Diego Union-Tribune, 23 May 2025
Ohtani dislocated that shoulder during the World Series and underwent arthroscopic surgery days later to repair a labrum tear in the joint.
—Bill Plunkett, Oc Register, 24 May 2025
See All Example Sentences for labrum
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Sean Neumann, People.com, 17 June 2025
When the shoulder pops out, known as a dislocation or subluxation, the labrum is usually torn off the bone.
—Harlan Selesnick, Miami Herald, 29 May 2025
Hunter Lawrence finished second in the 2024 motocross championships and had surgery after tearing his labrum and suffering a small fracture in a 2025 Supercross fall.
—Bill Center, San Diego Union-Tribune, 23 May 2025
Ohtani dislocated that shoulder during the World Series and underwent arthroscopic surgery days later to repair a labrum tear in the joint.
—Bill Plunkett, Oc Register, 24 May 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 20 Jul. 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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