Hollo \Hol"lo\, v. i. [imp. & p. p. {Holloed}; p. pr. & vb. n. {Holloing}.] [See {Hollo}, interj., and cf. {Halloo}.] To call out or exclaim; to halloo.
Hollo \Hol*lo"\, interj. & n. [See {Halloo}, and cf. {Holla}.] Ho there; stop; attend; hence, a loud cry or a call to attract attention; a halloo.
And every day, for food or play, Came to the mariner's hollo. --Coleridge.