impost

Primary Meanings of impost

1.
n
money collected under a tariff
2.
n
the lowest stone in an arch -- from which it springs
Full Definitions of impost
1

n money collected under a tariff

Synonyms:
custom, customs, customs duty
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

n the lowest stone in an arch -- from which it springs

Synonyms:
springer
Type of:
stone
building material consisting of a piece of rock hewn in a definite shape for a special purpose

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