any shark of the genus Sphyrna and family Sphyrnidae, having a flattened hammer-shaped head
2.
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
3.
a large African fruit bat, Hypsignathus monstrosus, with a large square head and hammer-shaped muzzle
Derived forms
hammerheaded (ˈhammerˌheaded)
adjective
hammerhead in American English
(ˈhæmərˌhɛd)
noun
1.
the head of a hammer, specif. the part with a flat surface for striking
2.
any of a family (Sphyrnidae, order Carcharhiniformes) of large, tropical sharks thathave a mallet-shaped head with an eye near the center of each end
3.
a very large African fruit bat (Hypsignathus monstrosus) with a large horselike head
4.
a large, brownish, crested African wading bird (Scopus umbretta) of a family (Scopidae) with only one species