- (n.) An exclamation to call attention or to encourage one.
- (v.i.) To cry out; to exclaim with a loud voice; to call to a person, as by the word halloo.
- (v.t.) To call or shout to; to hail.
- (n.) A loud exclamation; a call to invite attention or to incite a person or an animal; a shout.
- (v.t.) To encourage with shouts.
- (v.t.) To chase with shouts or outcries.
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). halloo. Retrieved September 21, 2026, from http://smartdefine.org/halloo/definitions/2014755 |
| Chicago | Webster's. 2011. "halloo" http://smartdefine.org/halloo/definitions/2014755 (accessed September 21, 2026). |
| Harvard | Webster's 2011, halloo, Smart Define, viewed 21 September, 2026, <http://smartdefine.org/halloo/definitions/2014755>. |
| MLA | Webster's. "halloo" 27 May 2011. Web. 21 September 2026. <http://smartdefine.org/halloo/definitions/2014755> |