ETYM This word seems to signify a large or thick fish. Related to Swed. kubb a short and thick piece of wood, and perh. French chabot chub.
European freshwater game fish with a thick spindle-shaped body; SYN. Leuciscus cephalus.
Any of several large minnows of the carp family. Creek chub Semotelus atromaculatus, up to 12 in/30 cm, is found widely in North American streams. Also, any of a number of small-mouthed marine fishes of the family Kyphosidae.