This is the 3898th most frequent Catalan word.
casar
"Casar" means "to marry" in English.
Here, 'casar' is used in the reflexive form 'casar-se', meaning 'to get married'.
Es van casar a la platja davant de tots els convidats.
They got married on the beach in front of all the guests.
Here, 'casar' is used to express the idea of matching or fitting well together.
M'agrada com casa la decoració moderna amb la casa antiga.
I like how the modern decoration matches with the old house.
In this case, 'casar' is used to describe the action of pairing or harmonizing different elements.