noun, masculine/ʃa.sœʁ/plural: chasseurs
a hunter; a fighter plane; a servant or attendant; a la façon chasseur, a style of cooking in which meat is cooked with a sauce containing mushrooms, shallots and white wine
“Un chasseur sachant chasser doit savoir chasser sans son chien.” — A hunter who knows how to hunt must hunt without his dog. [a French tongue-twister]
From chasser + -eur; found in Old French as chaceür, chaceor. Compare Italian cacciatore, Spanish cazador.