Found 2 items, similar to hollo.
English → English (WordNet) Definition: hollo hollo n : a very loud utterance (like the sound of an animal); “his bellow filled the hallway” [syn: bellow, bellowing, holla, holler, hollering, holloa, roar, roaring, yowl] v 1: encourage somebody by crying hollo 2: cry hollo 3: utter a sudden loud cry; “she cried with pain when the doctor inserted the needle”; “I yelled to her from the window but she couldn't hear me” [syn: shout, shout out, cry, call, yell, scream, holler, squall]
English → English (gcide) Definition: Hollo 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. [1913 Webster] 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. [1913 Webster] And every day, for food or play, Came to the mariner's hollo. --Coleridge. [1913 Webster]