hammerhead: Meaning and Definition of

ham•mer•head

Pronunciation: (ham'ur-hed"), [key]
— n.
  1. the part of a hammer designed for striking.
  2. a shark of the genus Sphyrna, esp. S. zygaena, having the head expanded laterally so as to resemble a double-headed hammer, sometimes dangerous to swimmers.
  3. Also calleda brown heronlike African bird, Scopus umbretta, having the head so crested as to resemble a claw hammer.
  4. See
  5. blockhead; dunce; lout.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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