heaf noun 1verb 1forms 3 noun1 •(Northern-England) A piece of mountain pasture to which a farm animal has become hefted; a heft. verb1 •(Northern-England) (of farm animals, especially a flock of sheep) To become accustomed to and attached to an area of mountain pasture, seldom straying from it. formsheafed · heafing · heafs
