This is the 10285th most frequent Catalan word.
plagada
"Plagada" in Catalan means "plague" or "affliction."
The word 'plagada' is used figuratively to convey that the city is abundantly populated with tourists.
La ciutat estava plagada de turistes durant l'estiu.
The city was plagued with tourists during the summer.
Here, 'plagat' (masculine form of plagada) represents the idea of being richly endowed with contents, specifically details.
El llibre és plagat de detalls interessants sobre la història.
The book is filled with interesting details about the history.
In this case, 'plagat' indicates that the beach is covered or overtaken by seaweed as a result of the storm.