Word Study
cisco
CIDE DICTIONARY
cisco, n.
The Lake herring (Coregonus Artedi ), valuable food fish of the Great Lakes of North America. The name is also applied to Coregonus Hoyi , a related species of Lake Michigan. [1913 Webster]
OXFORD DICTIONARY
cisco, n. (pl. -oes) any of various freshwater whitefish of the genus Coregonus, native to N. America.
Etymology
19th c.: orig. unkn.
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