1.Definition: a stupid person; these words are used to express a low opinion of someone's intelligence

Related Noun(s):blockhead, bonehead, dumbass, dunce, dunderhead, knucklehead, loggerhead, lunkhead, muttonhead, numskull

Category: People

2.Definition: medium-sized live-bearing shark with eyes at either end of a flattened hammer-shaped head; worldwide in warm waters; can be dangerous

Category: Animals

3.Definition: the striking part of a hammer

Category: Objects