Glossary · I
Impost
Also called imposts
The block or moulding at the top of a pier or wall on which an arch rests.
See also: Springer
Where it appears in the book
In the chapters The Arch.
Nearby in the glossary
Hypostyle · Iconostasis · Imperial staircase · Impluvium · Impost block · In antis · Inglenook · Inset corner