Naiad :: Naiad (n.) A water nymph; one of the lower female divinities, fabled to preside over some body of fresh water, as a lake, river, brook, or fountain..
Naiad :: Naiad (n.) Any species of a tribe (Naiades) of freshwater bivalves, including Unio, Anodonta, and numerous allied genera; a river mussel..
Naiad :: Naiad (n.) One of a group of butterflies. See Nymph.
Naiad :: Naiad (n.) Any plant of the order Naiadaceae, such as eelgrass, pondweed, etc..