This is the 11418th most frequent French word.
renard
Fox.
Here, 'renard' is used as a noun referring to the animal 'fox' in general.
Le renard roux vit dans les bois.
The red fox lives in the woods.
Here, 'renard' is used metaphorically to describe someone who is clever and sly, as the fox is often associated with such qualities.
Cet homme est rusé comme un renard.
This man is as cunning as a fox.
Here, 'renard' is used again as a noun, but this time referring to a specific fox observed in a situation.