Webster's Revised Unabridged Dictionary · 1913

Gleam

Gleam , intransitive verb

[Compare Old English glem birdlime, glue, phlegm, and English englaimed.]

(Falconry) To disgorge filth, as a hawk.

Gleam , noun

[Old English glem, gleam, Anglo-Saxon glam, prob. akin to English glimmer, and perh. to Greek {not transcribed} warm, {not transcribed} to warm. Compare Glitter.]

1.
A shoot of light; a small stream of light; a beam; a ray; a glimpse.
Transient unexpected gleams of joi. — Addison
At last a gleam Of dawning light turned thitherward in haste His [Satan's] traveled steps. — Milton
A glimmer, and then a gleam of light. — Longfellow
2.
Brightness; splendor.
In the clear azure gleam the flocks are seen. — Pope

Gleam , transitive verb

1.
To shoot, or dart, as rays of light; as, at the dawn, light gleams in the east.
2.
To shine; to cast light; to glitter.

Gleam , transitive verb

To shoot out (flashes of light, etc.).
Dying eyes gleamed forth their ashy lights. — Shakespeare