The term 'Football Holder' can be summarized as a person who places the ball on a TEE for a kick-off or field goal attempt in American football. The crossword solution for this term is 'TEE', which is a three-letter word. A TEE is a small, elevated platform that is used to hold the ball in place for a kick-off or field goal attempt. The holder is responsible for placing the ball on the TEE and then retrieving it after the kick-off or field goal attempt.