Collins COBUILD Advanced Learner's English Dictionary - kidney bean

(kidney beans) 1. Kidney beans are small, reddish-brown beans that are eaten as a vegetable. They are the seeds of a bean plant. N-COUNT: usu pl 2. Kidney beans are long, very narrow beans that are green in colour and are eaten as a vegetable. They grow on a tall climbing plant and are the cases that contain the seeds of the plant. (AM; in BRIT, use French beans) N-COUNT: usu pl