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.

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. This form is now mostly replaced by hello.