the spinous process on the vertebrae in the hump above the shoulders of a buffalo, much prized as a delicacy.
See also: boss
- 1914  Large quantities of fresh buffalo tongues, humps, or "boss ribs," as they were called . . . were purchased . . . .
- 1918  (1919)  Then Little Wolf's wives returned . . . and set food before us . . . big wooden bowls full of boiled boss ribs of buffalo.