Definition of tomcod

• n. - A small edible American fish (Microgadus tomcod) of the Codfish family, very abundant in autumn on the Atlantic coast of the Northen United States; -- called also frostfish. See Illust. under Frostfish.
• n. - The kingfish. See Kingfish (a).
• n. - The jack. See 2d Jack, 8. (c).