legume

(noun) an erect or climbing bean or pea plant of the family Leguminosae. Synonyms: leguminous plant.

(noun) the fruit or seed of any of various bean or pea plants consisting of a case that splits along both sides when ripe and having the seeds attach to one side of the case.

(noun) the seedpod of a leguminous plant (such as peas or beans or lentils).