Hard"head` (?), n.
1.
Clash or collision of heads in contest.
Dryden.
2. Zool. (a)
The menhaden. See Menhaden.
[Local, U.S.] (b)
Block's gurnard (Trigla gurnardus) of Europe
. (c)
A California salmon; the steelhead
. (d)
The gray whale
. See
Gray whale, under
Gray. (e)
A coarse American commercial sponge (Spongia dura).
© Webster 1913.