- a sloping surface against which the end of an arch rests.
- a stone, course of masonry, or the like, presenting such a surface.
Origin of skewback
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
- the sloping surface on both sides of a segmental arch that takes the thrust
- one or more stones that provide such a surface