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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.

This large opening is defined by the inferior margin of the pubic symphysis anteriorly, and the ischiopubic ramus, the ischial tuberosity, the sacrotuberous ligament, and the inferior tip of the coccyx posteriorly.

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

The patellar ligament attaches to the tibial tuberosity.

From Textbooks • Jun. 19, 2013

The sacrospinous ligament runs from the sacrum to the ischial spine, and the sacrotuberous ligament runs from the sacrum to the ischial tuberosity.

From Textbooks • Jun. 19, 2013

The deltoid impression well deserves the name of tuberosity which has been given to it, for it is very prominent; the musculo-spiral groove is very deep.

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.