tuberosity

noun

tu·​ber·​os·​i·​ty ˌtü-bə-ˈrä-sə-tē How to pronounce tuberosity (audio)
ˌtyü-
plural tuberosities
: a rounded prominence
especially : a large prominence on a bone usually serving for the attachment of muscles or ligaments

Examples of tuberosity in a Sentence

Recent Examples on the Web MRIs indicated a marked decrease in muscle thickness under the ischial tuberosity during loaded sitting. Seriously Science, Discover Magazine, 15 July 2016 Both semis and the long head of the biceps femoris originate at the ischial tuberosity in the pelvis—and that’s important. David Otey, Men's Health, 30 Mar. 2023 Under load, neither muscle was directly beneath the apex of the ischial tuberosity. Seriously Science, Discover Magazine, 15 July 2016 The gluteus and hamstrings overlapped beneath the pelvis in an unloaded condition, enveloping the ischial tuberosity. Seriously Science, Discover Magazine, 15 July 2016 Locate the bony prominence on the front of the tibia called the tibial tuberosity (located at the top of the shin; see the blue dot indicator, pictured above). Esther Smith, Outside Online, 9 Aug. 2022 As a freshman, Brown suffered a severe tear of the ischial tuberosity, a bone that is connected to the hamstring muscles. Greg Riddle, Dallas News, 9 May 2021 Brown skipped the state meet as a freshman after suffering a severe tear of the ischial tuberosity, a bone that is connected to the hamstring muscles. Greg Riddle, Dallas News, 21 Nov. 2020 If the pain is persistent and doesn’t improve within 2 weeks when there is marked pain at the most proximal (Ischial tuberosity) since that’s where avulsion fractures occur. SI.com, 17 Oct. 2017 See More

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

Word History

First Known Use

1611, in the meaning defined above

Time Traveler
The first known use of tuberosity was in 1611

Dictionary Entries Near tuberosity

Cite this Entry

“Tuberosity.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/tuberosity. Accessed 3 Mar. 2024.

Kids Definition

tuberosity

noun
tu·​ber·​os·​i·​ty ˌt(y)ü-bə-ˈräs-ət-ē How to pronounce tuberosity (audio)
plural tuberosities
: a rounded lump
especially : one on a bone usually serving for the attachment of muscles or ligaments

Medical Definition

tuberosity

noun
tu·​ber·​os·​i·​ty ˌt(y)ü-bə-ˈräs-ət-ē How to pronounce tuberosity (audio)
plural tuberosities
: a rounded prominence
especially : a large prominence on a bone usually serving for the attachment of muscles or ligaments
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