impost
1. im.post \'im-.po-st\ n [MF, fr. ML impositum, fr. L, neut. of impositus, pp. of imponer]e : something imposed or levied : TAX, DUTY 2. impost n [F imposte, deriv. of L impositus] : a block, capital, or molding from which an arch springs
Webster's English Dictionary1. im.post \'im-.po-st\ n [MF, fr. ML impositum, fr. L, neut. of impositus, pp. of imponer]e : something imposed or levied : TAX, DUTY 2. impost n [F imposte, deriv. of L impositus] : a block, capital, or molding from which an arch springs