The term "royal armouries" refers to a collection of weapons and armors that are typically associated with royalty and the military. Some synonyms for the term include "royal arsenal," "armory," and "arsenal." These words all convey the same idea of a collection of weapons and armors that were once used by the military or royalty. Other synonymous terms for "royal armouries" include "military museum," "arms museum," and "historical weapons exhibit." Regardless of what term is used, the concept behind "royal armouries" remains the same - a curated collection of military and royal artifacts that shed light on the history of military technology and its impact on society.