naiad
n. நீரரமகள்.
Na"iad, n. Etym: [L. naias, -adis, naïs, -idis, a water nymph, Gr naïade. Cf. Naid.] 1. (Myth.) Defn: 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. 2. (Zoöl.) Defn: Any species of a tribe (Naiades) of freshwater bivalves, including Unio, Anodonta, and numerous allied genera; a river mussel. 3. (Zoöl) Defn: One of a group of butterflies. See Nymph. 4. (Bot.) Defn: Any plant of the order Naiadaceæ, such as eelgrass, pondweed, etc.