definition of
ray

[1] #1 ray n. [beam, beam of light, light beam, ray of light, shaft, shaft of light, irradiation] a column of light (as from a beacon). wn

[2] #2 ray n. a branch of an umbel or an umbelliform inflorescence. wn

[3] #3 ray v. emit as rays; "That tower rays a laser beam for miles across the sky". wn

[4] #4 ray v. [radiate] extend or spread outward from a center or focus or inward towards a center; "spokes radiate from the hub of the wheel"; "This plants radiate spines in all directions". wn

[5] #5 ray n. (mathematics) a straight line extending from a point. wn