Definition of orb

• n. - A blank window or panel.
• n. - A spherical body; a globe; especially, one of the celestial spheres; a sun, planet, or star.
• n. - 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.
• n. - A circle; esp., a circle, or nearly circular orbit, described by the revolution of a heavenly body; an orbit.
• n. - A period of time marked off by the revolution of a heavenly body.
• n. - The eye, as luminous and spherical.
• n. - A revolving circular body; a wheel.
• n. - A sphere of action.
• n. - Same as Mound, a ball or globe. See lst Mound.
• n. - A body of soldiers drawn up in a circle, as for defense, esp. infantry to repel cavalry.
• v. t. - To form into an orb or circle.
• v. t. - To encircle; to surround; to inclose.
• v. i. - To become round like an orb.