This is the 10725th most frequent French word.
médiévale
"Relating to the Middle Ages."
Here, 'médiévale' is used as an adjective describing the type or style of architecture, indicating its origins from the Middle Ages.
La ville a conservé son architecture médiévale.
The city has preserved its medieval architecture.
In this sentence, 'médiévale' is again an adjective defining the fortress as originating or typical of the medieval period.
Nous avons exploré une forteresse médiévale pendant notre voyage.
We explored a medieval fortress during our trip.
The word 'médiévale' here is used to describe the atmosphere or setting of the story, giving it qualities associated with the medieval era.