Vagabondes translates to "wandering" or "vagrant". It's an evocative word that paints a picture of carefree, aimless movement, often associated with a romanticized sense of freedom or adventure.
In the song, the narrator's parent scolds them for their "courses vagabondes" (wandering escapades) after they've hurt themselves playing in the forest. This word beautifully captures the youthful exuberance and adventurous spirit of the children, making it both memorable and contextually rich.
Grégoire's