Webster's Revised Unabridged Dictionary · 1913

Rave

Rave (rāv) , imperfect

imperfect of Rive. [obsolete]

Rave , noun

[Prov. English raves, or rathes, a frame laid on a wagon, for carrying hay, etc.]

One of the upper side pieces of the frame of a wagon body or a sleigh.

Rave (rāv) , intransitive verb

[French rêver to rave, to be delirious, to dream; perhaps from Latin rabere to rave, rage, be mad or furious. Compare Rage, Reverie.]

1.
To wander in mind or intellect; to be delirious; to talk or act irrationally; to be wild, furious, or raging, as a madman.
In our madness evermore we rave. — Chaucer
Have I not cause to rave and beat my breast? — Addison
The mingled torrent of redcoats and tartans went raving down the valley to the gorge of Killiecrankie. — Macaulay
2.
To rush wildly or furiously. — Spenser
3.
To talk with unreasonable enthusiasm or excessive passion or excitement; -- followed by about, of, or on; as, he raved about her beauty.
The hallowed scene Which others rave of, though they know it not. — Byron

Rave , transitive verb

To utter in madness or frenzy; to say wildly; as, to rave nonsense. — Young

Rave , noun

1.
An instance of raving.
2.
A highly flattering or enthusiastic review of a play, book, etc.
3.
A clamorous dance party, especially one featuring a band or disc jockey playing loud modern rock music oriented toward young people, held in a large room such as a warehouse, often organized by an informal or ad hoc sponsor. [originally British slang]