interjection
Definition: A loud call or shout used to encourage or signal, especially in hunting.
Example: The hunter let out a loud halloo to rally the dogs during the chase.
intransitive verb
Definition: To shout or call out loudly, often to attract attention or to signal someone.
Example: He hallooed to his friends across the field.
noun
Definition: A loud shout or call used to attract attention or express excitement.
Example: He let out a halloo to signal his friends across the field.
transitive verb
Definition: To call out loudly to someone, often to get their attention or to encourage them.
Example: He hallooed to his friends across the field.