- the part of a hammer designed for striking.
- a shark of the genus Sphyrna, especially S. zygaena, having the head expanded laterally so as to resemble a double-headed hammer, sometimes dangerous to swimmers.
- Also called ham·mer·kop [ham-er-kop] /ˈhæm ərˌkɒp/. a brown heronlike African bird, Scopus umbretta, having the head so crested as to resemble a claw hammer.
- flatheaded borer.
- Slang. blockhead; dunce; lout.
Origin of hammerhead
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for hammerhead
According to many fans and critics, the show hurdled the hammerhead a long time ago.‘Still Positive’ Shows Why ‘Homeland’ Hasn’t Jumped the Shark (Yet)
November 4, 2013
Ang kamambad sa pamingkúngan, The fierceness of a hammerhead shark.A Dictionary of Cebuano Visayan
John U. Wolff
A hammerhead's nest on one of the trees was fully four feet high.
- any shark of the genus Sphyrna and family Sphyrnidae, having a flattened hammer-shaped head
- a heavily built tropical African wading bird, Scopus umbretta, related to the herons, having a dark plumage and a long backward-pointing crest: family Scopidae, order Ciconiiformes
- a large African fruit bat, Hypsignathus monstrosus, with a large square head and hammer-shaped muzzle
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Word Origin and History for hammerhead
Online Etymology Dictionary, © 2010 Douglas Harper