flageolet means: The kidney beans that were harvested in immature before maturation are medium-sized, approximately one-half inches long and kidney-shaped. They’re a light green color. The classic recipe uses cream and herbs. It is quick-cooking, fresh-tasting and easy to prepare. (in Cooking Dictionary)

What else does flageolet mean?

Small flute-like instrument featuring a cylindrical mouthpiece and four fingers holes. There are also two thumbholes. (in Merlin Dictionary)