Three Enclosures
three groups of Chinese constellations: the Purple Forbidden enclosure, the Supreme Palace enclosure, and the Heavenly Market enclosure; each enclosed by two "wall" asterisms
en-US/ˈθɹi ɪnˈkloʊʒɚz/
en-GB/ˈθɹiː ɪnˈkləʊʒəz/
three groups of Chinese constellations: the Purple Forbidden enclosure, the Supreme Palace enclosure, and the Heavenly Market enclosure; each enclosed by two "wall" asterisms