interjection, noun, plural hal·loos, verb (used with or without object), hal·looed, hal·loo·ing.

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for halloo

Historical Examples of halloo

  • With song and halloo and blast of horns, they swept away into the forest.

  • Carefully trying to place it in his scarf, he heard the halloo, 'Who goes there?'

  • There had been another ride when he had come to her in a halloo of storms.

    Erik Dorn

    Ben Hecht

  • So I stood in my boat waving the cloak over my head and shouting “Halloo!”

    Sir Ludar

    Talbot Baines Reed

  • Keep the boy close beside you, and when you need help, halloo.

    Treasure Island

    Robert Louis Stevenson

British Dictionary definitions for halloo


hallo or halloa (həˈləʊ)

sentence substitute

a shout to attract attention, esp to call hounds at a hunt

noun plural -loos, -los or -loas

a shout of "halloo"

verb -loos, -looing, -looed, -los, -loing, -loed, -loas, -loaing or -loaed

to shout (something) to (someone)
(tr) to urge on or incite (dogs) with shouts

Word Origin for halloo

C16: perhaps variant of hallow to encourage hounds by shouting
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012