What is the meaning of Cisco?

Any North American freshwater fish of certain species of the genus Coregonus that live in cold-water lakes.

brushwood; little fragment of firewood

chaff

coaldust; soot

culm (coal)

disorder

speck (tiny particle)

first-person singular present indicative of ciscar

coaldust

culm

first-person singular present indicative of ciscar

Source: wiktionary.org