hallo
(noun, verb, interjection)
interjection
1. A variant of hello
2. A cry of surprise.
noun
1. The cry "hallo!"
2. A shout of exultation.
verb
1. (intransitive) To shout, or to call with a loud voice.
2. (transitive) To chase while shouting "hallo!"
3. (transitive) To cry "hallo" (to someone).
4. (transitive) To shout (something).