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British pronunciation/kˈɒləbˌə‍ʊn/
American pronunciation/ˈkɑɫɝˌboʊn/

either of the pair of bones that go across the top of the chest from the base of the neck to the shoulders

synonyms : clavicle
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collarbone definition and meaning

What is "collarbone"?

The collarbone, also known as the clavicle, is a slender bone that runs horizontally between the sternum (breastbone) and the shoulder blade (scapula). It serves as a vital structural component of the shoulder girdle, providing support and stability to the upper limbs. The collarbone aids in transmitting forces from the arms to the axial skeleton and allows for a wide range of shoulder movements. Its position and shape contribute to proper shoulder joint function, enabling actions such as arm elevation, rotation, and retraction. Additionally, the collarbone serves as an attachment site for various muscles and ligaments, enhancing the overall mobility and function of the shoulder joint.

1I broke my collarbone.
2They see the collarbones.
3I broke my collarbone.
4The neck, and even the collarbone gets brighter.
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