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.
Then the dusty elephant with those arched and dome-like toenails that is standing on my breastbone is lighter.
From The Wall Street Journal ● Apr. 21, 2026
Through scans, the doctors found out that the parasitic twin was attached to the teen's breastbone and was being supplied blood from a vessel in his chest.
From BBC ● Feb. 26, 2025
It was hard to cut through the backbone and impossible to crack the breastbone down.
From Seattle Times ● Nov. 16, 2023
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
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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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.