Soil, n. [OE. soile, F. sol, fr. L. solum bottom, soil; but the word has probably been influenced in form by soil a miry place. Cf. Saloon, Soil a miry place, Sole of the foot.] 1. The upper stratum of the earth; the mold, or that compound substance which furnishes nutriment to plants, or which is particularly adapted to support and nourish them.
2. Land; country.
Must I thus leave thee, Paradise? thus leave
Thee, native soil? Milton.
3. Dung; fæces; compost; manure; as, night soil.
Improve land by dung and other sort of soils. Mortimer.
Soil pipe, a pipe or drain for carrying off night soil.