Stance. As in Front Stance, Cat Stance, etc.

See also: Heisoku Dachi, Musubi Dachi, Sanchin Dachi, Shizentai Dachi, Uchimata Jigotai Dachi, Sotobriaki Jigotai Dachi, Naihanchin Dachi, Kokutsu Dachi, Zenkutsu Dachi, Neko Ashi Dachi, Gyaku Neko Ashi Dachi