Impost (architecture)
Encyclopedia
In architecture, an impost is a projecting block resting on top of a column or embedded in a wall, serving as the base for the springer
or lowest wedge of an arch
.
Springer
Springer is the name of several places in the United States:* Springer, New Mexico* Springer, Oklahoma* Springer Mountain, southern terminus of the Appalachian TrailSpringer may also refer to:* In cattle, a cow or heifer near to calving...
or lowest wedge of an arch
Arch
An arch is a structure that spans a space and supports a load. Arches appeared as early as the 2nd millennium BC in Mesopotamian brick architecture and their systematic use started with the Ancient Romans who were the first to apply the technique to a wide range of structures.-Technical aspects:The...
.