<p><strong>Interjection</strong></p><ul><li>used to call or answer someone, or to incite dogs in hunting</li></ul><p><strong>Noun</strong></p><ul><li>hal·los</li><li>the cry “hallo!”</li><li>a shout of exultation</li></ul><p><strong>Verb</strong></p><ul><li>hal·loed</li><li>hal·lo·ing</li><li>to call with a loud voice; shout; cry, as after hunting dogs</li><li>to incite or chase (something) with shouts and cries of “hallo!”</li><li>to cry “hallo” to (someone)</li><li>to shout (something)</li></ul>