impost

Definitions of impost
  1. noun
    money collected under a tariff
    synonyms: custom, customs, customs duty
    see moresee less
    types:
    ship money
    an impost levied in England to provide money for ships for national defense
    type of:
    duty, tariff
    a government tax on imports or exports
  2. noun
    the lowest stone in an arch -- from which it springs
    synonyms: springer
    see moresee less
    type of:
    stone
    building material consisting of a piece of rock hewn in a definite shape for a special purpose
Word Family