caput in WordNet English dictionary

1. the upper part of the human body or the front part of the body in animals; contains the face and brains
   "he stuck his head out the window"
   head  caput 
   
2. a headlike protuberance on an organ or structure
   "the caput humeri is the head of the humerus which fits into a cavity in the scapula"
   caput