Ray

a group of nearly parallel lines of electromagnetic radiation

a column of light (as from a beacon)

the syllable naming the second (supertonic) note of any major scale in solmization

a branch of an umbel or an umbelliform inflorescence

any of the stiff bony spines in the fin of a fish

cartilaginous fishes having horizontally flattened bodies and enlarged winglike pectoral fins with gills on the underside; most swim by moving the pectoral fins

(mathematics) a straight line extending from a point

emit as rays

extend or spread outward from a center or focus or inward towards a center

expose to radiation