1. Largest tuna; to 1500 pounds; of mostly temperate seas: feed in polar regions but breed in tropics
   - bluefin, bluefin tuna, Thunnus thynnus 
2. Large elongated compressed food fish of the Atlantic waters of Europe
   - saurel, Trachurus trachurus 
3. A California food fish
   - jack mackerel, Spanish mackerel, saurel, Trachurus symmetricus

Derived forms: horse mackerel

Type of: scad, tuna, tunny

Part of: genus Thunnus, Thunnus

Encyclopedia: Horse mackerel

• Texas millet
• Texas purple spike
• Texas Ranger
• expurgator
• expurgatory
• exquisite
• exquisitely
• exquisiteness
• exsanguine
• exsanguinous
• exsert
• exsiccate
• exstrophy
• extant
• extemporaneous
• extemporaneously
• extemporarily
• extemporary
• extempore
• extemporisation
• extemporise
• extemporization
• extemporize
• extend
• extend oneself