n. a genus of epiphytic ferns of tropical America.
n. an alternative genus classification for the cactus wrens.
a. [ Gr. &unr_; curved + &unr_; seed. ] (Bot.) Having seeds grooved lengthwise on the inner face, as in sweet cicely. [ 1913 Webster ]
a. [ Gr. &unr_; curved + &unr_; a turning. ] (Bot.) Having the ovules and seeds so curved, or bent down upon themselves, that the ends of the embryo are brought close together. [ 1913 Webster ]