hammerhead

1. The portion of a hammer containing the metal striking face (also including the claw or peen if so equipped). · Holonym: hammer· Meronym: hammer face
2. Any shark of the family Sphyrnidae, which only includes the genera Sphyrna and Zygaena, with eyes set on projections from the sides of the head.
3. A hogsucker, a fresh-water fish of species Hypentelium nigricans, in the sucker family Catostomidae.
4. A hammer-headed fruit bat, a fruit bat of species Hypsignathus monstrosus, with a large blunt nozzle.
5. A hammerkop, a bird of species Scopus umbretta.
6. A stupid person, a dunce. (slang)
7. A turn-around; a parking area constructed in a subdivision for initial access and construction.
8. A kind of ribozyme; hammerhead ribozyme.

Plural hammerheads