Vision

(vĭzh'un), n. [Fr. & Sp. vision, Pr. visio, vezio, Pg. visão, It. visione, Lat. visio, from videre, visum, to see.]

1. The act of seeing external objects; actual sight. Faith here is turned into vision there. Hammond.
2. The faculty of seeing; sight; as, vision is far more perfect and acute in some animals than in others.
3. That which is seen; an object of sight.
4. Especially, that which is seen otherwise than by the rational eye; a supernatural, prophetic, or imaginary sight; an apparition; a phantom. “No dreams, but visions strange.” Sidney. “The baseless fabric of a vision.” Shak.

I took it for a fairy vision. Milton. 5. Hence, something imaginary; a creation of fancy. Locke. Arc of vision (Astron.), the arc which measures the least distance from the sun, at which, when the latter is below the horizon, a star or planet emerging from his rays becomes visible.—Beatific vision (Theol.), that which the faithful enjoy in heaven.—Direct vision (Opt.), that which is performed by means of direct rays.—Field of vision, field of view. See View.—Reflected vision, and refracted vision, that which is performed by rays reflected from mirrors, or refracted by lenses or prisms, respectively.