Obs. (See quotations.)
1611. Cotgr., Curette, a plough-staffe, or Aker-staffe (wherewith the cutter is cleansed).
1616. Surflet & Mark., Countrey Farme, 532. The acker-staffe to cleanse the plowe when it shall be loaden with earth or other vild matter.
1650. Fuller, Pisgah-Sight, II. viii. 174. Let none turn their flailes, aker-staves, sheep-hooks, shuttles, needles, into swords, till first with Gedeon they have a warrant from God.
1866. Rogers, Agric. & Prices, I. xxi. 539. The ploughman was provided with a pole shod with a flat iron, and called in later times an aker-staff.