See also: Plough in Pictorial Dictionary of Heraldry.
A farmer’s implement for breaking up soil and turning it over before planting crops.
Default orientation: fesswise, pulling to dexter. No proper coloration.
Plow (1) §
Plow (2) §
Plow (3) §
Adapted from an illustration in British Library’s Cotton MS Tiberius B V/1, early 12th C.