敗はい戦せん投とう手しゅはいせんとうしゅMeanings1nounlosing pitcherBaseball term for the pitcher who is charged with the loss in a game.昨日きのうの試し合あいで、田た中なか投とう手しゅが敗はい戦せん投とう手しゅになった。In yesterday's game, pitcher Tanaka became the losing pitcher.