(chiefly historical) A tax, tariff or duty that is imposed, especially on merchandise. / (horse racing, slang) The weight that must be carried by a horse in a race, the handicap.

(architecture) The top part of a column, pillar, pier, wall, etc. that supports an arch.

Alternative spelling of impostor

plural of imposter

plural of impost

Someone who attempts to deceive by using an assumed name or identity. / (computer graphics) A sprite or animation integrated into a three-dimensional scene, but not based on an actual 3D model.

(obsolete) An abscess.

(obsolete) Alternative form of imposthume

The act or conduct of an impostor; deception practiced under a false or assumed character; fraud or imposition

plural of imposthume