Adjacent Words

hammerhead definitions

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WordNet (r) 3.0 (2005)

n
1: a stupid person; these words are used to express a low opinion of someone's intelligence [syn: dunce, dunderhead, numskull, blockhead, bonehead, lunkhead, hammerhead, knucklehead, loggerhead, muttonhead, shithead, dumbass, fuckhead]
2: the striking part of a hammer
3: medium-sized live-bearing shark with eyes at either end of a flattened hammer-shaped head; worldwide in warm waters; can be dangerous [syn: hammerhead, hammerhead shark]

Merriam Webster's

noun Date: 1562 1. the striking part of a hammer 2. blockhead 3. any of a family (Sphyrnidae) of active voracious medium-sized sharks that have the eyes at the ends of lateral extensions of the flattened head — see shark illustration

Oxford Reference Dictionary

n. 1 any shark of the family Sphyrinidae, with a flattened head and eyes in lateral extensions of it. 2 a long-legged African marsh-bird, Scopus umbretta, with a thick bill and an occipital crest.

Webster's 1913 Dictionary

Hammerhead Ham"mer*head`, n. 1. (Zo["o]l.) 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.