[ham-er-hed] /ˈhæm ərˌhɛd/

the part of a designed for striking.
a shark of the genus Sphyrna, especially S. zygaena, having the expanded laterally so as to resemble a double-headed , sometimes dangerous to swimmers.
Also called hammerkop
[ham-er-kop] /ˈhæm ərˌkɒp/ (Show IPA). a brown heronlike African bird, Scopus umbretta, having the so crested as to resemble a .
Slang. blockhead; dunce; lout.
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

type of shark, 1843, from hammer (n.) + head (n.). So called for its broad, transverse head.


A stupid person: The best way out is for one of the three to be a hammerhead (1930s+)


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  • Hammerless

    [ham-er-lis] /ˈhæm ər lɪs/ adjective 1. (of a firearm) having the concealed within the receiver. /ˈhæməlɪs/ adjective 1. (of a firearm) having the hammer enclosed so that it is not visible

  • Hammerlock

    [ham-er-lok] /ˈhæm ərˌlɒk/ noun, Wrestling. 1. a hold in which one arm of an opponent is twisted and forced upward behind his back. /ˈhæməˌlɒk/ noun 1. a wrestling hold in which a wrestler twists his opponent’s arm upwards behind his back

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