a seed or a pod (=case containing seeds), that comes from a climbing plant and is cooked as food. There are very many types of beans.:
Soak the beans overnight.
a plant that produces beans
a seed used in making some types of food or drinks:
to be very eager and full of energy:
She's full of beans this morning.
5 British English informal
to have no money at all
6 American English informal
to not know anything or care at all about someone or something