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 Lee previously had his left labrum operated on while in Korea in 2018. Evan Webeck, The Mercury News, 17 May 2024 The shoulder injuries that limited him to five appearances in 2022, and that then required surgical repairs of his labrum and rotator cuff that cost him all of 2023, were finally healed. Jack Harris, Los Angeles Times, 10 May 2024 See all Example Sentences for labrum 

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'labrum.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

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 28 May. 2024.

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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