Definition of cisco in English:

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Pronunciation: /ˈsiskō/

noun (plural ciscoes)

A freshwater whitefish of northern countries. Most species are migratory and are important food fishes.
  • Genus Coregonus, family Salmonidae: several species, including the lake cisco (C. artedii) of North America, and the Arctic cisco (C. autumnalis) of northern Eurasia and northern North America.
Example sentences
  • They prey on such fish as the cisco (lake herring), lake whitefish, central mudminnow, and golden shiner.
  • Overfishing of other species of ciscoes has reduced populations, and shifted more pressure to Coregonus hoyi.
  • Coregonine fishes in New York, both whitefish and cisco, have been extensively introduced into waters outside of their natural ranges, such as lakes in the Adirondack Mountains.


Mid 19th century: of unknown origin.

For editors and proofreaders

Syllabification: cis·co

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