Bundle of rays

(Geom.) See Pencil of rays, below.

See also: Ray

Webster's Revised Unabridged Dictionary, published 1913 by G. & C. Merriam Co.
References in periodicals archive ?
The direction, intensity and breadth of the bundle of rays are regulated by simple movements on the touch-sensitive frame, similar to those used on tablets and smartphones, enabling the user to adjust them as needed.