frostfish

noun

1

: tomcod sense 1a

2

: smelt sense 1a(1)

3

a

: any of a genus (Benthodesmus) of cutlass fish having a small, forked caudal fin and a spiny dorsal fin with numerous rays

b

: silver scabbard fish

Word History

First Known Use

1634, in the meaning defined at sense 1

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