Glow is defined as to give off a light or heat, or to show good health or happiness.(verb)
An example of glow is for one star to shine in a dark night sky.
The definition of a glow is a steady light, or a sense of warmth.(noun)
An example of a glow is the light of a candle.
See glow in Webster's New World College Dictionary
Origin: ME glowen < OE glowan, akin to Ger glühen < IE *ghlō- < base *ĝhel-, to shine > gold, gleam, yellow, Gr chlōros, light green
See glow in American Heritage Dictionary 4
intransitive verb glowed, glow·ing, glows
Origin: Middle English glouen
Origin: , from Old English glōwan; see ghel-2 in Indo-European roots.
Learn more about glow