The term 'CAP SKULL' is a combination of two words, 'CAP' and 'SKULL'. The first word, 'CAP', is a noun that refers to a type of headgear, usually made of cloth or some other material, that is worn on the head for protection or decoration. The second word, 'SKULL', is a noun that refers to the bony structure of the head, which encloses and protects the brain. The crossword solution for this term is 'SCALP', which is a noun that refers to the skin covering the top of the head, including the hair and the underlying tissue.