This is the 3663rd most frequent French word.
mouscron
"Mouscron" is not a word with a definition; it is the name of a city in Belgium.
Here, 'Mouscron' is used as a proper noun referring to a town in Belgium.
Je suis allé à Mouscron pour visiter des amis.
I went to Mouscron to visit friends.
In this sentence, 'Mouscron' functions as the subject and refers to the town itself.
Mouscron est connu pour son marché animé.
Mouscron is known for its lively market.
Here, 'Mouscron' indicates the location where the activity (cuisine) takes place.