This is the 6641st most frequent Catalan word.
rouen
"Rouen" is not a Catalan word; it is likely a proper noun referring to a city in France.
In this sentence, 'rouens' refers to oak trees, used here as a plural noun to describe the specific type of tree present.
Els rouens del parc són molt antics.
The oak trees in the park are very old.
Here, 'rouens' again denotes oak trees, emphasizing their presence in a natural setting.
Després de la pluja, el bosc estava ple de rouens.
After the rain, the forest was full of oak trees.
'Rouens' is used as the subject in this sentence, describing a regional characteristic regarding vegetation.