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Synonyms

tuberosity

American  
[too-buh-ros-i-tee, tyoo-] / ˌtu bəˈrɒs ɪ ti, ˈtyu- /

noun

plural

tuberosities

  1. a rough projection or protuberance of a bone, as for the attachment of a muscle.

tuberosity British  
/ ˌtjuːbəˈrɒsɪtɪ /

noun

  1. any protuberance on a bone, esp for the attachment of a muscle or ligament

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of tuberosity

From the Medieval Latin word tūberōsitās, dating back to 1535–45. See tuberose 2, -ity

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Projecting superiorly and anteriorly from the ischial tuberosity is a narrow segment of bone called the ischial ramus.

From Textbooks • Jun. 19, 2013

A common example is the deltoid muscle of the shoulder, which covers the shoulder but has a single tendon that inserts on the deltoid tuberosity of the humerus.

From Textbooks • Jun. 19, 2013

The deltoid tuberosity is a roughened, V-shaped region located on the lateral side in the middle of the humerus shaft.

From Textbooks • Jun. 19, 2013

You can feel the ischial tuberosity if you wiggle your pelvis against the seat of a chair.

From Textbooks • Jun. 19, 2013

On the posterior part of the external tuberosity is found a surface to which the superior extremity of the fibula is applied.

From Artistic Anatomy of Animals by Cuyer, ?douard

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.