Noah Webster
Radiate
RA'DIATE, verb intransitive [Latin radio. See Ray.]
1. To issue in rays, as light; to dart, as beams of brightness; to shine.
Light radiates from luminous bodies directly to our eyes.
2. To issue and proceed in direct lines from a point.
RA'DIATE, verb transitive To enlighten; to illuminate; to shed light or brightness on. [Usually irradiate.]
RA'DIATE, adjective In botany, a rayed or radiate corol or flower, is a compound flower consisting of a disk, in which the corollets or florets are tubular and regular, and of a ray, in which the florets are irregular.
Or a flower with several semiflosculous florets set round a disk in form of a radiant star.