Definition of Breastbone

1. Noun. The flat bone that articulates with the clavicles and the first seven pairs of ribs.

Exact synonyms: Sternum
Generic synonyms: Bone, Os
Terms within: Corpus Sternum, Gladiolus, Manubrium, Xiphoid Process
Group relationships: Chest, Pectus, Thorax, Axial Skeleton
Derivative terms: Sternal

Definition of Breastbone

1. n. The bone of the breast; the sternum.

Definition of Breastbone

1. Noun. The central narrow bone in the front of the chest, connecting the collar-bone and the top ribs. ¹

¹ Source:

Definition of Breastbone

1. [n -S]

Breastbone Pictures

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Lexicographical Neighbors of Breastbone

breast milk
breast of lamb
breast of veal
breast pang
breast pocket
breast prosthesis
breast pump
breast reduction
breast self-examination
breast thermography
breast ultrasound
breastbone (current term)

Literary usage of Breastbone

Below you will find example usage of this term as found in modern and/or classical literature:

1. The Voyage of the Vega Round Asia and Europe: With a Historical Review of by Adolf Erik Nordenskiöld (1885)
"... resembling the common swan, but somewhat smaller, and with a considerable difference in the formation of the windpipe and the " keel" of the breastbone. ..."

2. The Phrenological Journal and Miscellany (1832)
"We now wish to call attention to the form of this cavity, which, as we have seen, is surrounded and protected by the backbone, ribs, and breastbone, ..."

3. A familiar history of birds: Their Nature, Habits, and Instincts by Edward Stanley (1880)
"STRUCTURE OP BIRDS. External Structure.— Skeleton.— Character of Beak — Bones, their Lightness.— Solidity of Backbone.— breastbone, Use of.— Wing-bones. ..."

4. Animal Mechanics by Charles Bell, Jeffries Wyman (1902)
"They attach themselves firmly to the breastbone, and the extremities of the ribs are fixed, as if the whole arch were formed of bone unyielding and ..."

5. Library of Natural History by Richard Lydekker (1901)
"The breastbone in flying birds is provided with a strong keel up the middle of ... To the sides of the upper part of the breastbone are attached the lower ..."

6. Parts of the Body in the Later Germanic Dialects by William Denny Baskett (1920)
"breastbone The breastbone is described (A) as a fork; (B) from its use ... The breastbone of birds bears a similarity in shape to a goat's head with horns. ..."

7. An Elementary Course in Practical Zoölogy by Buel Preston Colton (1895)
"Slit the skin back over the abdomen to the anus, loosen it well back on each side, and cut through the abdominal wall just behind the breastbone; ..."

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