'Hammerhead' definitions:

Definition of 'Hammerhead'

From: GCIDE
  • Hammerhead \Ham"mer*head`\ (-h[e^]d`), n.
  • 1. (Zool.) A shark of the genus Sphyrna or Zyg[ae]na, having the eyes set on projections from the sides of the head, which gives it a hammer shape. The {Sphyrna zyg[ae]na} is found in the North Atlantic. Called also hammer fish, and balance fish. [1913 Webster]
  • 2. (Zool.) A fresh-water fish; the stone-roller. [1913 Webster]
  • 3. (Zool.) An African fruit bat (Hypsignathus monstrosus); -- so called from its large blunt nozzle. [1913 Webster]