UNIO - Definition

WordNet Dictionary

	Definition:	[n] type genus of the family Unionidae

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	Synonyms:	genus Unio

	See Also:	family Unionidae, mollusk genus, pearly-shelled mussel, Unionidae

Webster's 1913 Dictionary

	Definition:	\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.