1823  The Road is to be cut ten feet wide and opened straight; the trees to be cut down level with the ground and removed, with all windfalls and obstructions.
1958  We investigated the groves and woodlot to find which old trees had been felled by the winter storms, and to clear out brush and windfalls from the pathways.
1849  . . . we had to cut our way through, and to climb over . . . the prostrate trees, windfall, entangled with second growth of birch, fir. . . .
1965  . . . for two days I walked and crawled over windfall which was strewn to a depth of five feet.
2n. a tract of land strewn with trees toppled by the wind.
1829  Winds are seldom severe; sometimes, however, they lay waste extensive belts of the forest of thirty miles at a stretch, and from a quarter to a mile broad; these are called Windfalls.
1834  (1926)  . . . about ten or twelve acres of this will be light chopping, principally young timber on an old windfall or burn and will have to lie a summer before burning.
1947  In a windfall we saw a large bull with wide-spread flat, irregular antlers. . . .