Hammerhead
Ham´mer`head` Pronunciation: ~hĕd`
| n. | 1. | (Zool.) A shark of the genus Sphyrna or Zygæna, having the eyes set on projections from the sides of the head, which gives it a hammer shape. The Sphyrna zygæna is found in the North Atlantic. Called also |
| 2. | (Zool.) A fresh-water fish; the stone-roller. | |
| 3. | (Zool.) An African fruit bat (Hypsignathus monstrosus); - so called from its large blunt nozzle. |
| Noun | 1. |  hammerhead - these words are used to express a low opinion of someone's intelligenceSynonyms: blockhead, bonehead, dunce, dunderhead, fuckhead, knucklehead, loggerhead, lunkhead, muttonhead, numskull, shithead |
| 2. | hammerhead - the striking part of a hammer | |
| 3. | hammerhead - medium-sized live-bearing shark with eyes at either end of a flattened hammer-shaped head; worldwide in warm waters; can be dangerous Synonyms: hammerhead shark |