orb
/ɔ:b; ɔrb/ n
1 (fml or arch 文或古) globe, esp the sun, the moon or one of the planets 球体; 星球; 天体; （尤指）日, 月, 行星
an orb of golden light 发金光的星球.
2 jewelled ball with a cross on top carried by a king or queen as part of ceremonial dress 王权宝球（球顶饰有十字架, 为国王礼服的一部分）.