
1) Cutlassfish
Found on
https://www.crosswordclues.com/clue/frostfish

• (n.) The tomcod; -- so called because it is abundant on the New England coast in autumn at about the commencement of frost. See Tomcod. • (n.) A name applied in New Zealand to the scabbard fish (Lepidotus) valued as a food fish. • (n.) The smelt.
Found on
http://thinkexist.com/dictionary/meaning/frostfish/

Frost`fish' noun (Zoology) (a) The tomcod; -- so called because it is abundant on the New England coast in autumn at about the commencement of frost. See Tomcod . (b) The smelt. [ Local, U. S.] (c) A name applied in New Zealand to the scabbard fish ( Lepidotus
Found on
http://www.encyclo.co.uk/webster/F/80

either of two North American fishes, the tomcod of the Atlantic Ocean or the round whitefish, that appear when frost sets in. · cutlassfish.
Found on
https://www.infoplease.com/dictionary/frostfish
No exact match found.