— hefter , n.
/heft/ , n.
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.
v.t.
4. to test the weight of by lifting and balancing: He hefted the spear for a few moments, and then flung it at the foe.
5. to heave; hoist.
[ 1550-60; HEAVE + -t, var. of -TH 1 ]