old sort of duel fought by English and Scottish combatants, between the frontiers of their kingdoms, with sword and lance: it was also called camp-fight, and the combatants champions, from the open field being the stage of trial.

Acre-Tax, a tax laid on land at so much per acre. In some places this is also called acre-float. Impositions on lands in the great level are to be raised by a proportional portionable acre-tax, 20 Car. II. cap. 8.—An acre-tax of 2s. 6d. per acre, for draining Haddenham-level, 13 Geo. I. cap. 18.