Orb

1. To encircle; to surround; to inclose.
2. A period of time marked off by the revolution of a heavenly body.
3. A body of soldiers drawn up in a circle, as for defense, esp. infantry to repel cavalry.
4. A circle; esp., a circle, or nearly circular orbit, described by the revolution of a heavenly body; an orbit.
5. A spherical body; a globe; especially, one of the celestial spheres; a sun, planet, or star.
6. Same as Mound, a ball or globe. See lst Mound.
7. The eye, as luminous and spherical.
8. To become round like an orb.
9. To form into an orb or circle.
10. A revolving circular body; a wheel.
11. A blank window or panel.
12. A sphere of action.
13. One of the azure transparent spheres conceived by the ancients to be inclosed one within another, and to carry the heavenly bodies in their revolutions.