An edible seed or seedpod of leguminous plants; also the plant.

A seed or pod called a bean though not a legume, especially coffee or vanilla.

A small bean-shaped piece used as packing or beanbag filler.

Informal: the head or brain.

Informal, chiefly UK: money; often in negatives for any money at all.

To strike someone, especially the head, with a thrown object.