RA'DIANT, adjective Shooting or darting rays of light; beaming with brightness; emitting a vivid light or splendor; as the radiant sun. Mark what radiant state she spreads. Radiant in glittering arms and beamy pride. RA'DIANT, noun In optics, the luminous point or object from which light emanates, that falls on a mirror or lens.
Source: Webster's 1828 American Dictionary ↗ · public-domain · returned verbatim, no AI