Impost (architecture)

In architecture, an impost or impost block is a projecting block resting on top of a column or embedded in a wall, serving as the base for the springer or lowest voussoir of an arch.^[1]^[2]

^ Toman, Rolf, ed. (2010). Gothic Architecture, Sculpture, Painting. Potsdam: H.F. Ullmann. p. 504. ISBN 978-3-8331-1038-2.
^ Sturgis, Russell (1901). A Dictionary of Architecture and Building, Volume II. New York: Macmillan. p. 464.

[klein1-1] Toman, Rolf, ed. (2010). Gothic Architecture, Sculpture, Painting. Potsdam: H.F. Ullmann. p. 504. ISBN 978-3-8331-1038-2.

[sturgisII464-2] Sturgis, Russell (1901). A Dictionary of Architecture and Building, Volume II. New York: Macmillan. p. 464.

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