Definitions
1.AdjectiveRadiating light and/or heat."the radiant sun"
2.AdjectiveEmitted as radiation.
3.AdjectiveBeaming with vivacity and happiness."a radiant face"
4.AdjectiveStrikingly beautiful.
5.AdjectiveEmitting or proceeding as if from a center.
6.AdjectiveGiving off rays."the sun radiant; a crown radiant"
7.AdjectiveHaving a ray-like appearance, like the large marginal flowers of certain umbelliferous plants; said also of the cluster which has such marginal flowers.
8.NounA point source from which radiation is emitted.
9.NounThe apparent origin, in the night sky, of a meteor shower.
10.NounA straight line proceeding from a given point, or fixed pole, about which it is conceived to revolve.