frostfish

noun6

1. •
   A tomcod (either species of Microgadus).
2. •
   Microgadus proximus
3. •
   Microgadus tomcod
4. •
   (New-Zealand) A scabbardfish.
5. •
   Any member of the genus Benthodesmus cutlassfish
6. •
   (dialect, no longer used) A smelt.