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.
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
