Definition of hammerhead in English:

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Pronunciation: /ˈhamərˌhed/


1 (also hammerhead shark) A shark of tropical and temperate oceans that has flattened bladelike extensions on either side of the head, with the eyes and nostrils placed at or near the ends.
  • Family Sphyrnidae and genus Sphyrna: several species.
Example sentences
  • Climate change has pushed up water temperatures, resulting in regular sightings of the smooth hammerhead shark, which is not dangerous to humans.
  • There are four species which concern us, and they are the hammerhead shark, the white shark, the bull whaler shark and the tiger shark.
  • See her, in Medea, remember the hammerhead shark, play with a cigarette, remind her listeners that their tape is running out, and obsess about another, very different Billie (Holiday).
2A brown African marsh bird related to the storks, having a crest that looks like a backward projection of the head, and constructing an enormous nest. Also called hammerkop.
  • Scopus umbretta, the only member of the family Scopidae.
Example sentences
  • Hammerheads are, overall, rather interesting and extraordinary birds.
  • The Hottentot people of southern Africa believe that the hammerhead, a wading bird, can see reflections of the future in pools of water.

For editors and proofreaders

Syllabification: ham·mer·head

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