hammerhead

  1. Noun.  The portion of a hammer containing the metal striking face (also including the claw or peen if so equipped).
  2. Noun.  (zoology) Any of various sharks of the genus ''Sphyrna'' or ''Zygaena'' having the eyes set on projections from the sides of the head, which gives it a hammer shape.
  3. Noun.  (zoology) A fresh-water fish; the stone-roller in the minnow family Cyprinidae.
  4. Noun.  (zoology) An African fruit bat ''Hypsignathus monstrosus'', so called from its large blunt nozzle.
  5. Noun.  (slang) A stupid person, a dunce.

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This entry was last updated on RefTopia from its source on 3/20/2012.