Definition of cisco in English:

cisco

Syllabification: cis·co
Pronunciation: /ˈsiskō
 
/

noun (plural ciscoes)

A freshwater whitefish of northern countries. Most species are migratory and are important food fishes.
More 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.

Origin

mid 19th century: of unknown origin.

Definition of cisco in: