The crossword solution for the term TIMEOUT SIGN is TEE, which is a three-letter word. A TIMEOUT sign is a visual signal used in sports to indicate that a team or player has taken a TIMEOUT. It is usually a large sign with the word 'TIMEOUT' written on it, and is held up by a coach or referee to indicate that the game has been paused. Timeouts are typically used to give players a break, or to allow coaches to discuss strategy.