Meaning

• A small or indistinct shaft or stream of light.

• A glimpse or hint; an indistinct sign of something.

  "The rescue workers preserved a gleam of optimism that they might still survive."

• Brightness or shininess; splendor.

Meaning

• To shine; to glitter; to glisten.

• To be briefly but strongly apparent.

• To disgorge filth, as a hawk.