決けっ定てい投とう票ひょう

noun

casting vote; deciding vote

A vote that breaks a tie or decides an issue when other votes are evenly split. Used in formal meeting or election contexts.

• 議ぎ長ちょうの決けっ定てい投とう票ひょうで可か決けつされた。

  It was passed by the chairperson's casting vote.