impost

That which is imposed or levied; a tax, tribute, or duty; particularly, a duty or tax laid by government on goods imported; a customs-duty.

In architecture, the point where an arch rests on a wall or column; also, the condition of such resting or meeting.

In sporting slang, a weight placed upon a horse in a handicap race.

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.

The top member of a pillar, pier, wall, etc., upon which the weight of an arch rests.

The top part of a column or pillar that supports an arch.

A tax, tariff or duty that is imposed, especially on merchandise.

The top member of a pillar, pier, wall, etc., upon which the weight of an arch rests.

The weight that must be carried by a horse in a race, the handicap.

the lowest stone in an arch — from which it springs