TOKYO, Nov. 7 - "Yokozuna" Terukuni, who had maintained an undefeated record from the opening day, tasted his first defeat at the hands of "haridashi ozeki" Shionoumi on the seventh day of the 11 day autumn main sumo tourney of the Japan Professional Sumo Association at the sumo ring in the outer garden of the Meiji Shrine here today.
    On the sixth day yesterday, "haridashi yokozuna" Maedayama also suffered his first defeat at the hands of Masuiyama.