A hole or pit dug in the ground; a trench or ditch, such as for irrigation or drainage; (in the Fens of eastern England) specifically a drainage channel. Also in figurative contexts. In later use English regional (East Anglian and Lincolnshire regional).
A quarry or mine; especially (in later use) a small quarry. In later use chiefly English regional.
A square device or bearing representing a square-cut turf, apparently used as an abatement.