n. [ Gr. 'a priv. + &unr_; anything cup-shaped. See Cotyledon. ] (Bot.) A plant which has no cotyledons, as the dodder and all flowerless plants. [ 1913 Webster ]
a. Having no seed lobes, as the dodder; also applied to plants which have no true seeds, as ferns, mosses, etc. [ 1913 Webster ]