breastbone
Americannoun
noun
Etymology
Origin of breastbone
before 1000; Middle English brust-bon, Old English brēostbān. See breast, bone ( def. )
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.
Other options include a “J-incision aortic valve replacement” that he developed involving an incision of about 3 inches in the breastbone.
From The Wall Street Journal ● Apr. 25, 2026
Front seat passengers such as Jenna often have chest, rib and breastbone injuries if wearing a seat belt because of the massive pressure from the impact.
From BBC ● Feb. 14, 2026
One evening, mid-dream, Merrell threw himself into a corner of a nightstand, breaking his skin but narrowly missing his breastbone.
From Scientific American ● Jan. 24, 2023
He later developed chronic obstructive pulmonary disease, hypertension, diabetes, severe arthrosis and costochondral junction syndrome — a painful inflammation where the ribs meet the breastbone.
From Seattle Times ● Jan. 7, 2022
Shakily, he daubed circles on his heels, breastbone and forehead, As he finished the one on his forehead, he shut his eyes.
From "Wolf Brother" by Michelle Paver
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Get a wordDefinitions 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.