• Webster's Revised Unabridged Dictionary
    • Hardhead (Zoöl) A California salmon; the steelhead.
    • Hardhead (Zoöl) A coarse American commercial sponge (Spongia dura).
    • Hardhead (Zoöl) Block's gurnard (Trigla gurnardus) of Europe.
    • Hardhead Clash or collision of heads in contest.
    • Hardhead (Zoöl) The gray whale.
    • Hardhead (Zoöl) The menhaden. See Menhaden.
    • ***
Century Dictionary and Cyclopedia
    • n hardhead Clash or collision of heads in contest.
    • n hardhead A small billon or copper coin of Scotland, officially known as the lion. It was current in the sixteenth century under Mary and James VI., and was worth 1½d. or 2d. English. See cut on following page.
    • n hardhead The menhaden, Brevoortia tyrannus. See cut under Brevoortia.
    • n hardhead The California gray whale, Rhachianectes glaucus: so called by whalers because it has a habit of butting boats.
    • n hardhead The gray gurnard, Trigla gurnardus.
    • n hardhead The ruddy duck, Erismatura rubida, more fully called hard-headed dipper. Also hardtack, toughhead.
    • n hardhead A kind of commercial sponge
    • n hardhead The knapweed, Centaurea nigra: so called from its resemblance to the loggerhead, a ball of iron on a long handle. See knapweed.
    • n hardhead An alloy of iron, tin, and arsenic remaining on the bottom, after liquation, in the process of refining tin in the reverberatory furnace. It is nearly identical in composition with the dross removed from the surface during the operation.
    • n hardhead Alarge, smooth, rounded stone found especially in coarse gravel.
    • n hardhead The name is also applied to many other fishes having hard heads: as in America to Chriodorus atherinoides of the family Hemiramphidæ, and Salmo gairdneri, a trout; in England to Myoxocephalus scorpius, a cottoid fish.
    • n hardhead Inthe Bahamas, a shrub of the spurge family, Phyllanthus Epiphyllanthus. Also called seaside laurel. See laurel, 3.
    • ***


In literature:

His companions had nicknamed him Hardhead because of his obstinate character.
"Brazilian Tales" by Joaquim Maria Machado de Assis
And she was glad to see that the hardheaded old miller was not much impressed by the man, either.
"Ruth Fielding on the St. Lawrence" by Alice B. Emerson
I'm not an unreasonable man, professor, I'm a hardheaded business man, and I like to deal with facts.
"The Star Lord" by Boyd Ellanby
We pride ourselves upon being realistic, desiring a hardheaded cognizance of facts, and devoted to mastering the means of life.
"Creative Intelligence" by John Dewey, Addison W. Moore, Harold Chapman Brown, George H. Mead, Boyd H. Bode, Henry Waldgrave, Stuart James, Hayden Tufts, Horace M. Kallen
The Victorian representative is the well-known White-eyed Duck, or Hardhead.
"An Australian Bird Book" by John Albert Leach

In news:

Uncut hardheaded cabbages , such as green or red cabbage , keep very well (about two weeks or longer) in the vegetable compartment of the refrigerator or wrapped tightly in plastic wrap.
Who's the real drain on society: Poor mothers or privileged hardheads .
Hardheaded types like scientists and skeptical investigators are sometimes portrayed as dour debunkers devoid of magic and awe.
Entrepreneurs are naturally hardheaded people.