HARDHEAD

Etymology

Noun

hardhead (plural hardheads)

One who is practical or hardheaded.

A brown diving duck, Aythya australis, native to Australia.

Any of various freshwater cyprinid fishes of the genus Mylopharodon, or of saltwater sciaenid (Sciaenidae) fishes.

Any of several weeds in or formerly classified in the genus Centaurea, particularly Russian knapweed (Acroptilon repens).

(metallurgy) Residual ore that failed to melt during a smelting process.

(obsolete) Clash or collision of heads in contest.

(historical) A Scottish billon coin circulated in the reigns of Mary and James VI.

Source: Wiktionary

Hard"head`, n.

1. Clash or collision of heads in contest. Dryden.

2. (Zoöl.) (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).

Source: Webster’s Unabridged Dictionary 1913 Edition