This is the 6497th most frequent French word.
hollow
The French equivalent of "hollow" is "creux," meaning an empty space or void within something.
In this sentence, 'creux' is an adjective describing the tree trunk, indicating that it has an empty interior.
Le tronc de l'arbre était creux.
The tree trunk was hollow.
Here, 'creuse' metaphorically describes the voice, suggesting it lacks depth or genuine feeling.
Sa voix sonnait creuse, sans émotion.
His voice sounded hollow, devoid of emotion.
In this usage, 'creux' functions as a noun, referring to a physical cavity or depression in the rock.