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
The Kings expect Devin Carter, a combo guard from Providence, to be sidelined for at least six months after undergoing left shoulder surgery to repair a torn labrum.
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Jason Anderson, Sacramento Bee, 13 July 2024
In fact, Jackson played with a torn labrum in his shoulder after the season at Oregon, his father said.
—Jordan D. Brown, Washington Post, 13 July 2024
Behind the labrum, the mouth slit was also exquisitely preserved.
—Mindy Weisberger, CNN, 9 July 2024
From the detailed fossils, researchers also got a clear view of appendages around the mouth, including a fleshy lobe in front of the mouth called a labrum, which helps process food.
—Will Sullivan, Smithsonian Magazine, 28 June 2024
See all Example Sentences for labrum 
Jason Anderson, Sacramento Bee, 13 July 2024
In fact, Jackson played with a torn labrum in his shoulder after the season at Oregon, his father said.
—Jordan D. Brown, Washington Post, 13 July 2024
Behind the labrum, the mouth slit was also exquisitely preserved.
—Mindy Weisberger, CNN, 9 July 2024
From the detailed fossils, researchers also got a clear view of appendages around the mouth, including a fleshy lobe in front of the mouth called a labrum, which helps process food.
—Will Sullivan, Smithsonian Magazine, 28 June 2024
See all Example Sentences for labrum
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Dictionary Entries Near labrum
Cite this Entry
“Labrum.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/labrum. Accessed 27 Jul. 2024.
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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