interjection
(nautical, dated) Used as a call for coordinated physical effort, as in hoisting.
(literary, poetic, archaic, sometimes humorous) Used as a cheer indicating exaltation, enjoyment, or approval.
noun
A cheer often associated with sailors, shouted by a group in praise of a thing or event.
verb
(ambitransitive) To cheer (someone or something) with a huzzah sound.