Definition of jack arch in English:

jack arch

Line breaks: jack arch

noun

A small arch only one brick in thickness, especially as used in numbers to support a floor.
More example sentences
  • The 12-inch long roman brick was used in several applications, including rustication, flat jack arches, three-dimensional jack arches, recessed panels, and classically inspired piers and columns.
  • The use of limestone for the water table, belt course, rusticated jack arches, and pilaster capitals is unique in Kent County architecture.
  • The jack arch reached its artistic apogee in the 1960s in the viscerally moving St Peter's church, Klippan, Sweden by Lewerentz.

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Word of the day flagitious
Pronunciation: fləˈjiSHəs
adjective
(of a person or their actions) criminal; villainous