This is the 8146th most frequent French word.
uccle
"Uccle" is not a French word; it refers to a municipality in Brussels, Belgium.
In this sentence, 'Uccle' is used as a proper noun referring to a commune in Belgium.
Je vais aller à Uccle demain.
I will go to Uccle tomorrow.
'Uccle' is functioning here as a geographical location, indicating where someone resides.
Elle habite à Uccle depuis cinq ans.
She has been living in Uccle for five years.
Here, 'Uccle' identifies the location of the market, showing possession or association.