This is the 355th most frequent Catalan word.
nadal
"Christmas"
Here, 'Nadal' is used as a proper noun referring to the Christmas holiday season.
Celebrem el Nadal amb tota la família.
We celebrate Christmas with the whole family.
Here, 'Nadal' is used adjectivally to describe an event related to Christmas.
El Nadal de bàsquet és una tradició de la nostra escola.
The Christmas basketball tournament is a tradition of our school.
In this sentence, 'Nadal' denotes the festive season generally associated with Christmas.