Webster's Revised Unabridged Dictionary · 1913

All hail

All hail ({not transcribed}) , interjection

[All + hail, interj.]

All health; -- a phrase of salutation or welcome.

All-hail , transitive verb

To salute; to greet. [Poet.]
Whiles I stood rapt in the wonder of it, came missives from the king, who all-hailed me “Thane of Cawdor.” — Shakespeare