plural of bone (n.). As a colloquial way to say "dice," it is attested from late 14c. As a nickname for a surgeon, it dates to 1887, short for sawbones. To make bones about something (mid-15c.) refers to bones found in soup, etc., as an obstacle to being swallowed. To feel something in one's bones "have a presentiment" is 1867, American English.
1. Some of them make no bones about their political views.
2. Her sallow skin was drawn tightly across the bones of her face.
3. X-rays have confirmed that he has not broken any bones.
4. You can hear the saw as it cuts through the bones.
5. Ask the butcher for soup bones (marrow bones are best).