Halloo
Halloo is an exclamation used to hail or attract attention, and in hunting contexts, a traditional cry used to encourage or direct a pack of hounds. In the field, a huntsman may halloo to spur the dogs when they are on a scent or to signal the direction of the chase to other riders. The term can also function as a general shout in rural speech to summon someone or to gain attention in a noisy setting. Spelling variants include halloo, halloa, and halloaing; the noun or verb forms hallooing or halloaing are common in older or regional texts.
Etymology and history of usage are somewhat uncertain. The word is generally regarded as onomatopoeic, echoing
Modern usage is largely archaic or literary outside specific hunting or countryside contexts. In contemporary general