\Nec"ta*ry\, n.; pl. {Nectaries}. [From {Nectar}: cf. F. nectaire.] (Bot.) 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}.