Main Entry: head

Pronunciation: \ˈhed\

Function: noun

1 : the division of the human body that contains the brain, the eyes, the ears, the nose, and the mouth ; also : the corresponding anterior division of the body of various animals including all vertebrates, most arthropods, and many mollusks and worms
2 : headache
3 : a projection or extremity especially of an anatomical part: as a : the rounded proximal end of a long bone (as the humerus) b : the end of a muscle nearest the origin c : the anterior end of an invertebrate : scolex
4 : the part of a boil, pimple, or abscess at which it is likely to break
5 : the end of a lipid molecule that consists of a polar group and is regarded as being opposite to the tail

—head adjective