A noisy partizan attending base-ball and other field games.—Mr. James W. Bright in the N.Y. Nation, June 2, 1898, suggests that the word comes from dial. “rout,” to shout (p. 422).
1907. Every rooter took him with a megaphone.—Phila. Public Ledger, Nov. 16.
1909. Perhaps no Boston player has been so dramatic an idol of the rooters as this genial player.—N.Y. Evening Post, March 4: from the Boston Post.
