1) Land cleared for use in arable farming.

2) Tract of wasteland cleared or drained to be added to village arable.

3) A piece of forest or waste, converted into arable by grubbing up the trees and brushwood.

4) To assart was to make a clearing (known as "an assart") on virgin land by rooting out trees and rendering the ground suitable for agriculture. To assartain the royal forest without a licence was a grave offence. Land assarted with licence was subject to annual payments to the exchequer.