What is the meaning of Orb?

A spherical body; a sphere, especially one of the celestial spheres; a sun, planet, or star

Celestial sphere; one of the azure transparent spheres conceived by the ancients to be enclosed one within another, and to carry the heavenly bodies in their revolutions

A structural motif or finial in the shape of a sphere

An orbit of an heavenly body

The time period of an orbit

The eye, seen as a luminous and spherical entity

Any revolving circular body, such as a wheel

A sphere of action.

A globus cruciger; a ceremonial sphere used to represent royal or imperial power

A translucent sphere appearing in flash photography (Orb (optics))

A body of soldiers drawn up in a circle, as for defence, especially infantry to repel cavalry.

(Can we verify this sense?) Amount of deviation from the closest perfect aspect.

To form into an orb or circle.

To become round like an orb.

To encircle; to surround; to enclose.

A blank window or panel.

blind

ignorant

uncultivated, unrefined, uncivilized

blind

a fungal disease of wheat and other cereals

orphan

blind

blind man

Source: wiktionary.org