a) a tax, tariff or duty etc. that is imposed. Unlike taxes, tariffs, or duties, the primary purpose of an impost is to dissuade countries from discriminating against the imports or shipping of other nations. If the trade is non-discriminatory, then no impost is generally levied. It is therefore not intended as a revenue source, but rather as a way to regulate commerce.
b) the weight that must be carried by a horse in a race, the handicap.

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  • 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… …   The Collaborative International Dictionary of English

  • impost — de la vingtiéme partie du vin ou autre chose, Vicesima vicesimae. Faire impost, Imperare tributum. Mettre sus et lever un impost sur le vin qui entre en la ville, Portorium vini instituere …   Thresor de la langue françoyse

  • impost — Impost. s. m. Droit imposé sur certaines choses. Nouvel impost sur le vin, sur le papier, &c. Lever les imposts. diminuer les imposts. establir un nouvel impost …   Dictionnaire de l'Académie française

  • impost — (n.) tax, duty, 1560s, from M.Fr. impost, from M.L. impostum, from neut. of L. impostus, contracted from impositus, pp. of imponere (see IMPOSTOR (Cf. impostor)) …   Etymology dictionary

  • impòst — impost m. impôt. « Vas a la guèrra, pagar l impòst de ma misèra ! » V. Gelu …   Diccionari Personau e Evolutiu

  • Impost — may mean: *A type of extra tax *A handicap (usually a lead weight) used in horse racing *The topmost part of an architectural column *A tax levied on imports …   Wikipedia

  • Impost — (v. lat.), 1) indirecte Abgabe, für den Verbrauch einer Waare, z.B. des Weines, Bieres; vgl. Accise u. Steuer; daher Impostiren, besteuern; 2) (Bauk.), so v.w. Kämpfer …   Pierer's Universal-Lexikon

  • Impost — (mittellat.), veralteter Ausdruck für Steuer …   Meyers Großes Konversations-Lexikon

  • Impóst — (mittellat.), indirekte Auflage, Steuer; Pfeilergesims (s. Kämpfer) …   Kleines Konversations-Lexikon

  • impost — index assessment (levy), duty (tax), excise, excise (levy a tax), levy, tariff (duties) …   Law dictionary

  • impost — impost1 [im′pōst΄] n. [OFr < ML impostus < L impositus, pp. of imponere: see IMPOSE] 1. a tax; esp., a duty on imported goods 2. Horse Racing the weight assigned to a horse in a handicap race vt. ☆ to classify (imported goods) in order to… …   English World dictionary