GNU Collaborative International Dictionary of English
Found one definition
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Wistaria (?), n. [NL.] [So named after Caspar Wistar, an American anatomist.] (Bot.) A genus of climbing leguminous plants bearing long, pendulous clusters of pale bluish flowers. Now commonly spelled Wisteria.
[1913 Webster]
☞ The species commonest in cultivation is the Wistaria Sinensis from Eastern Asia. Wistaria fruticosa grows wild in the southern parts of the United States.
[1913 Webster]