Ka-ending dialect form of おおい (ōi, “numerous”)

large hole / great loss / (horse racing) dark horse; or the money gained from successfully betting on a dark horse

cautious driving

野菜畑: vegetable garden

八尺瓊勾玉, 八尺瓊の勾玉, 八尺瓊曲玉, 八尺瓊の曲玉: the Yasakani no Magatama, one of the three sacred treasures comprising the Imperial Regalia of Japan

野菜ジュース: vegetable juice

headquarters

immeasurable, incalculable, unfathomable

commanding officer; commander

control tower