unio
U"ni*o, n. Etym: [NL., fr. L. unio unity, union, a single large pearl. See Union.] (Zoöl.) Defn: Any one of numerous species of fresh-water mussels belonging to Unio and many allied genera.
U"ni*o, n. Etym: [NL., fr. L. unio unity, union, a single large pearl. See Union.] (Zoöl.) Defn: Any one of numerous species of fresh-water mussels belonging to Unio and many allied genera.