Definitions

1. verb

to shine or gleam with a faint light; to be slightly visible

“The stars agleam in the night sky.”

2. verb

to show or display a quality or feeling, especially one that is not openly expressed

“Her eyes agleam with excitement as she spoke about the trip.”

3. noun

a faint or intermittent gleam of light

“A glimmer of moonlight agleam on the surface of the water.”