Chub mackerel Meaning, Definition & Usage

  1. noun small mackerel found nearly worldwide
    tinker; Scomber japonicus.

WordNet

Definitions
  1. (Zoöl.), a species of mackerel (Scomber colias) in some years found in abundance on the Atlantic coast, but absent in others; called also bull mackerel, thimble-eye, and big-eye mackerel.

Webster 1913