chub Meaning, Definition & Usage

  1. noun European freshwater game fish with a thick spindle-shaped body
    Leuciscus cephalus.

WordNet

Chub noun
Etymology
This word seems to signify a large or thick fish. Cf. Sw. kubb a short and thick piece of wood, and perh. F. chabot chub.
Definitions
  1. (Zoöl.) A species to fresh-water fish of the Cyprinidæ or Carp family. The common European species is Leuciscus cephalus; the cheven. In America the name is applied to various fishes of the same family, of the genera Semotilus, Squalius, Ceratichthys, etc., and locally to several very different fishes, as the tautog, black bass, etc.

Webster 1913