The term CAP WEARER can be broken down into two crossword solutions: DUNCE and TOOTH. DUNCE is a 5-letter word meaning a person who is slow to learn or understand, or who makes mistakes due to stupidity. TOOTH is also a 5-letter word which refers to the hard, bony structures found in the mouths of most vertebrates, used for biting and chewing food. Together, these two words form the term CAP WEARER, which is someone who wears a cap, usually as part of a uniform.