skewback

[ skyoo-bak ]
/ ˈskyuˌbæk /

noun Architecture.

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

First recorded in 1695–1705; skew + back1

OTHER WORDS FROM skewback

skew·backed, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for skewback

skewback
/ (ˈskjuːˌbæk) /

noun

the sloping surface on both sides of a segmental arch that takes the thrust
one or more stones that provide such a surface

Derived forms of skewback

skewbacked, adjective
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012