What is another word for crenels?
Pronunciation: [kɹˈɛnə͡lz] (IPA) 
Crenels, or battlements, are historically used in architectural structures, particularly in medieval castles, for defense purposes. It refers to the spaces between the raised portions of a parapet wall. There are a variety of synonyms that can be used in place of crenels, such as embrasures, loopholes, and merlons. Embrasures are the openings created in walls and towers for gunports. Loopholes are narrow openings in walls to provide a view of outside. Merlons are solid parts of a battlemented wall acting as a protective barrier. All in all, these synonyms are similar in the sense that they are all used for defense-related purposes.
