Definition of sight-read:
(n) :
(in the singular) The ability to see.
(n) :
The act of seeing; perception of objects by the eye; view.
(n) :
Something seen.
(n) :
(often in the plural) Something worth seeing; a spectacle, either good or bad.
(n) :
(often in the plural) A device used in aiming a projectile, through which the person aiming looks at the intended target.
(v) :
(transitive) To see; to get sight of (something); to register visually.