The definition of a cisco is a freshwater fish in the genus Coregonus.(noun)
An example of a cisco is a trout common to the cold lakes in Canada and the northeastern United States.
See cisco in Webster's New World College Dictionary
See cisco in American Heritage Dictionary 4
noun pl. cis·coes or cis·cos
Origin: From Canadian French ciscoette
Origin: , from Ojibwa bemidewiskawed, the (fish) with oily skin.
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