n. One who undertakes the collection of taxes, customs, excise, or other duties for a certain rate per cent., or pays a fixed sum for the privilege of collecting and retaining them: as, a farmer of the revenues.n. In mining, the lord of the field, or one who farms the lot and cope of the crown.n. One who cultivates a farm, either as owner or lessee; in general, one who tills the soil.n. The eldest son of the holder or occupier of a farm; anciently, a yeoman or country gentleman.