gleam

Short definition from Wiktionary

Noun

1. 1
   An appearance of light, especially one which is indistinct or small, or short-lived.
2. 2
   An indistinct sign of something; a glimpse or hint.
3. 3
   A bright, but intermittent or short-lived, appearance of something.
4. 4
   A look of joy or liveliness on one's face.
5. 5
   Sometimes as hot gleam: a warm ray of sunlight; also, a period of warm weather, for instance, between showers of rain.
6. 6
   Brightness or shininess; radiance, splendour.

Verb

1. 1
   Chiefly in conjunction with an adverb: to cause (light) to shine.
2. 2
   To shine, especially in an indistinct or intermittent manner; to glisten, to glitter.
3. 3
   To be strongly but briefly apparent.
4. 4
   Of a hawk or other bird of prey: to disgorge filth from its crop or gorge.