ray -- (a branch of an umbel or an umbelliform inflorescence)
ray -- ((mathematics) a straight line extending from a point)
beam, ray, electron beam -- (a group of nearly parallel lines of electromagnetic radiation)
re, ray -- (the syllable naming the second (supertonic) note of any major scale in solmization)
ray -- (any of the stiff bony spines in the fin of a fish)
ray -- (cartilaginous fishes having horizontally flattened bodies and enlarged winglike pectoral fins with gills on the underside; most swim by moving the pectoral fins)
Overview of verb ray
The verb ray has 3 senses
ray -- (emit as rays; "That tower rays a laser beam for miles across the sky")
radiate, ray -- (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")
irradiate, ray -- (expose to radiation; "irradiate food")