Faussebraye of Château de Brest
17th century illustration showing a cross-section of the fortifications of Groenlo. From left to right: counterscarp, covertway, ditch, faussebraye and the main defensive wall.

A faussebraye (Italian: falsa braga) is a defensive wall located outside the main walls of a fortification. It is of a lower height than the main walls, and is preceded by a ditch. In Greek and Byzantine fortifications, the faussebraye was known as a proteichisma.[1]


  1. ^ Spiteri, Stephen C. (2010). "Illustrated Glossary of Terms used in Military Architecture". ARX Supplement. MilitaryArchitecture.com: 9. Archived from the original on 25 October 2010.