Webster's Revised Unabridged Dictionary · 1913

Serene

Serene , adjective

[Latin serenus to grow dry, Greek {not transcribed} hot, scorching.]

1.
Bright; clear; unabscured; as, a serene sky.
The moon serene in glory mounts the sky. — Pope
Full many a gem of purest ray serene The dark unfathomed caves of ocean bear. — Gray
2.
Calm; placid; undisturbed; unruffled; as, a serene aspect; a serene soul. — Milton

In several countries of Europe, Serene is given as a tittle to princes and the members of their families; as, His Serene Highness.

Collocations (1)
Drop serene (Medicine) , See Amaurosis. — Milton

Serene , noun

1.
Serenity; clearness; calmness. [Poetic.]
The serene of heaven. — Southey
To their master is denied To share their sweet serene. — Young
2.
Evening air; night chill. [Obsolete]
Some serene blast me. — B. Jonson

Serene , transitive verb

[Latin serenare.]

To make serene.
Heaven and earth, as if contending, vie To raise his being, and serene his soul. — Thomson