Busones
The Cyclopedic Law Dictionary · Walter A. Shumaker and George Foster Longsdorf; ed. James C. Cahill · 1922
The Cyclopedic Law Dictionary
A word found only in Bracton (folio 115b). From the context, it means the principal persons of the county, and is thought to have been synonymous with "barons."
2 Reeve. Hist. Eng. Law, 2, note; Crabb, Hist. Eng. Law, 161.