Dictionary.com
definitions
  • synonyms

flat arch

See more synonyms for flat arch on Thesaurus.com
noun Architecture.
  1. an arch having a more or less flat intrados and extrados with voussoirs radiating from a center below the arch.
Show More

Origin of flat arch

First recorded in 1705–15
Also called jack arch.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018