Found 2 items, similar to impost.
English → English (WordNet) Definition: impost impost n 1: money collected under a tariff [syn: customs, customs duty , custom] 2: the lowest stone in an arch -- from which it springs [syn: springer]
English → English (gcide) Definition: Impost Impost \Im"post\, n. [OF. impost, F. impot, LL. impostus, fr. L. impostus, p. p. of imponere to impose. See Impone.] 1. That which is imposed or levied; a tax, tribute, or duty; especially, a duty or tax laid by goverment on goods imported into a country. [1913 Webster] Even the ship money . . . Johnson could not pronounce to have been an unconstitutional impost. --Macaulay. [1913 Webster] 2. (Arch.) The top member of a pillar, pier, wall, etc., upon which the weight of an arch rests. [1913 Webster] Note: The impost is called continuous, if the moldings of the arch or architrave run down the jamb or pier without a break. Syn: Tribute; excise; custom; duty; tax. [1913 Webster]