That very evening Fred came in the store to ask me to be his groomsman.
Roland Bayard, as groomsman, opened the ball with the bride.
Then the priest told him the place he was to go to, and the groomsman left him.
Say, I think that you are the nicest fellow I ever met—I do, indeed,—and you have got—to be my—groomsman.
In this we have the origin of 'groomsman,' or 'best man,' ...