WordNet sense 1 (a group of nearly parallel lines of electromagnetic radiation):

ray, electron beam

WordNet sense 2 (a column of light (as from a beacon)):

irradiation, shaft, beam of light, light beam, ray of light, shaft of light

WordNet sense 3 (a signal transmitted along a narrow path; guides pilots in darkness or bad weather):

radio beam

WordNet sense 4 (a gymnastic apparatus used by women gymnasts):

balance beam

WordNet sense 5 (emit light; be bright, as of the sun or a light):

shine

WordNet sense 6 (have a complexion with a strong bright color, such as red or pink):

glow, radiate

WordNet sense 7 (broadcast over the airwaves, as in radio or television):

air, broadcast, send, transmit