Pronunciation: (heft), [key]
1. weight; heaviness: It was a rather flimsy chair, without much heft to it.
2. significance or importance.
3. Archaic.the bulk or main part.
1. to test the weight of by lifting and balancing: He hefted the spear for a few moments, and then flung it at the foe.
2. to heave; hoist.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.