In botany, the melliferous part of a vegetable, peculiar to the flower. It usually makes a part of the corol, gut is sometimes distinct from it. Sometimes ti is in the form of a horn or spur; sometimes in that of a cup; whence it is called the honey cup.

That part of a blossom which secretes nectar, usually the base of the corolla or petals; also, the spur of such flowers as the larkspur and columbine, whether nectariferous or not. See the Illustration of Nasturtium.