Translation of "fortification" - English-Spanish dictionary

fortification

noun uk /ˌfɔː.tɪ.fɪˈkeɪ.ʃən/

strong walls, towers, etc. that are built to protect a place

fortificación
Some of the old fortifications still exist.
The fortifications of the castle were massive and impenetrable.

(Translation of “fortification” from the Cambridge English-Spanish Dictionary © Cambridge University Press)