1775  (1951)  In the Afternoon a Canoe with fourteen of the Pedlers men arrived on their way to the upper Settlement in Sas-kach-i-wan River, to be sent into the Plains to be supported. . . .
1784-1812  (1916)  By a Plain I mean lands bearing grass, but too short for the Scythe; where the grass is long enough for the Scythe, and of which Hay can be made, I name meadows.
1859  The prey they fail to find elsewhere is supplied by the buffalo slaughterings on the Plains, where thousands of indifferent carcasses are left every summer and autumn by the hunters.
1958  . . . these scrubs [wild horses] of the plains are mostly too runty, too unreliable and too fierce to slip profitably into any man's harness or saddle.
2n.Hist. an open space in wooded country or one where trees are few.