Definition of plough staff in English:

plough staff

(US plow staff)

noun

English Regional, Scottish, Northern
  • A staff, ending in a small spade or shovel, used to clear earth, roots, weeds, etc., from the coulter and mouldboard of a plough.

Origin

Middle English; earliest use found in The Chronicle of Robert of Gloucester. From plough + staff.

Pronunciation

plough staff

/ˈplaʊ stɑːf/