This is the 5483rd most frequent French word.
björn
"Björn" is not a French word; it is a Scandinavian name meaning "bear" in Swedish.
Proper noun, used as the name of a person.
Björn est arrivé aujourd'hui.
Björn arrived today.
Noun, referring to a bear, used here as a transliteration rather than the French word 'ours'.
J'ai vu un björn quand j'étais en Norvège.
I saw a björn when I was in Norway.
Noun, used metaphorically as a design or image resembling a bear.