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unio |
3 definitions found From Webster's Revised Unabridged Dictionary (1913) [web1913]: Naiad \Na"iad\, n. [L. naias, -adis, na["i]s, -idis, a water nymph, Gr ?, ?, fr ? to flow: cf F. na["i]ade. Cf {Naid}.] 1. (Myth.) 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. (Zo["o]l.) Any species of a tribe ({Naiades}) of freshwater bivalves, including {Unio}, {Anodonta}, and numerous allied genera; a river mussel. 3. (Zo["o]l) One of a group of butterflies. See {Nymph}. 4. (Bot.) Any plant of the order {Naiadace[ae]}, such as eelgrass, pondweed, etc From Webster's Revised Unabridged Dictionary (1913) [web1913]: Unio \U"ni*o\, n. [NL., fr L. unio unity, union, a single large pearl. See {Union}.] (Zo["o]l.) Any one of numerous species of fresh-water mussels belonging to {Unio} and many allied genera. From WordNet r 1.6 [wn]: Unio n : type genus of the family Unionidae [syn: {Unio}, {genus Unio}]
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