E`qui*pon"der*ate (?), v. i. [Equi- + L. ponderare to weigh. See Ponderate.] To be equal in weight; to weigh as much as another thing. Bp. Wilkins.

E`qui*pon"der*ate, v. t. To make equal in weight; to counterbalance. "More than equiponderated the declension in that direction." De Quincey.