Definitions of bean:

• noun:   any of various edible seeds of plants of the family Leguminosae
• noun:   any of various leguminous plants grown for their edible seeds and pods
• noun:   any of various seeds or fruits suggestive of beans
• noun:   informal terms for a human head
• verb:   hit on the head, esp. with a pitched baseball
• name:  A surname (common: 1 in 5882 families; popularity rank in the U.S.: #713)