Definition of: clover

(klō′vər) noun
1. Any of several species of plants (genus Trifolium) of the legume family, having dense flower heads and the leaves divided into three leaflets; especially, the common red clover (T. pratense) used for forage and adopted as the State flower of Vermont.
2. Any of certain other plants of the legume family, as melilot.
—in clover
1. Originally, in good pasture, as cattle in a clover field.
2. Prosperous; having an abundance. [OE clāfre trefoil]