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intercostal

American  
[in-ter-kos-tl, -kaw-stl] / ˌɪn tərˈkɒs tl, -ˈkɔ stl /

adjective

  1. pertaining to muscles, parts, or intervals between the ribs.

  2. situated between the ribs.

  3. Shipbuilding. noting a structural member situated between or divided by continuous members, as frames or keelsons.


noun

  1. an intercostal muscle, member, or space.

intercostal British  
/ ˌɪntəˈkɒstəl /

adjective

  1. anatomy between the ribs

    intercostal muscles

"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

Other Word Forms

Etymology

Origin of intercostal

From the New Latin word intercostālis, dating back to 1590–1600. See inter-, costal

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.

He later confirmed he had torn an intercostal muscle.

From BBC • Sep. 1, 2025

Reliever Michael Grove was put on the 15-day IL because of a right intercostal muscle strain, an injury that is not expected to sideline the right-hander for more than a few weeks.

From Los Angeles Times • Jun. 16, 2024

Garver, meanwhile, has suffered a forearm strain, a left-knee sprain and an intercostal strain among other setbacks.

From Seattle Times • Feb. 12, 2024

In a field hospital in Al Mamoura, Dr. Mohamed Karrar improvised an intercostal drain system using a sterilized soda bottle to pump the blood from a gunshot victim’s punctured lung.

From New York Times • Apr. 30, 2023

The branches of the aorta which supply the walls of the thorax, abdomen and pelvis, are the intercostal, the Parietal branches. lumbar, the phrenic, and the middle sacral.

From Encyclopaedia Britannica, 11th Edition, Volume 2, Slice 6 "Armour Plates" to "Arundel, Earls of" by Various

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