1760  [All these Indians . . . are comprehended by French authors, under the general appellation of Savanois, from the nature of the country they inhabit, which is low, swampy, and ill-wooded, those drowned barren lands, being called Savanes in Canada.]
1849  I paced and took angles along indifferent roads, climbed steep ascents, and crossed the great savannah of some 40 miles long, which would afford an almost inexhaustible supply of peat. . . .
1883  These savannas are composed of fine, black, compact peat-mould, formed by the growth and decay of mosses, and sustain countless herds of reindeer.
1952  Many of these [bogs] are treeless and are locally known as "savannas."