We found one dictionary that defines the word perpendicular fortification:

Tech (1 matching dictionary)

1. Perpendicular fortification: Dictionary of Military Architecture

▸ Words similar to perpendicular fortification ▸ Usage examples for perpendicular fortification ▸ Idioms related to perpendicular fortification ▸ Wikipedia articles (New!) ▸ Words that often appear near perpendicular fortification ▸ Rhymes of perpendicular fortification ▸ Invented words related to perpendicular fortification