Definition of skewback in English:

skewback

Line breaks: skew|back
Pronunciation: /ˈskjuːbak
 
/

noun

The sloping face of the abutment on which an extremity of an arch rests.
More example sentences
  • It was 525 metres long and was supported by 32 pontoons including stone skewbacks on both banks.
  • Without hinges, arch ribs extend continuously from skewback to skewback and are fixed at skewbacks so no rotation can occur and thus the bridge is called a fixed arch.
  • This was easier than cutting the bricks to make wedges, skewbacks and the arch key.

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