An erect or climbing bean or pea plant of the family Leguminosae. Synonym:leguminous plant.
2.
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.
3.
The seedpod of a leguminous plant (such as peas or beans or lentils).
... Summer fallow. As a type of an eight-year rotation practiced at the Poltava Station, the following is given: (1) Summer tilled and manured; (2) winter wheat; (3) hoed crop; (4) spring wheat; (5) summer fallow; (6) winter rye; (7) buckwheat or an annual legume; (8) oats. This rotation, it may be observed, includes the grain crop, hoed crop, legume, ... — Dry-Farming • John A. Widtsoe