Frost`fish" (?), n. (Zoöl.)
(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) valued as a
food fish.