Collarbone (noun)

1. The bone in the human body that connects the shoulder blade to the breastbone.
2. The bone in the human body that connects the shoulder blade to the sternum.
3. The bone that runs from the shoulder to the chest and is also known as the clavicle.

Origin:

From old english collarbōn, from coller ("neck") + bōn ("bone").

Examples:

1. He broke his collarbone in a fall from a horse.
2. I felt a sharp pain in my collarbone after the accident.
3. The collarbone is a common fracture site in contact sports.
4. The collarbone is a slender, S-shaped bone that runs between the shoulder blade and the sternum.
5. The collarbone is a long bone that serves as a connection point for the shoulder blade, sternum, and the muscles of the shoulder, neck and chest.