Heft, n. [From Heave: cf. hefe weight. Cf. Haft.] 1. The act or effort of heaving� violent strain or exertion.
He craks his gorge, his sides,
With violent hefts. Shak.
2. Weight; ponderousness.
A man of his age and heft. T. Hughes.
3. The greater part or bulk of anything; as, the heft of the crop was spoiled. J. Pickering.