1. A loud shout or call used to attract attention or express excitement.
Usage: informal; often used in hunting or outdoor contexts

1. To shout or call out loudly, especially to attract someone's attention.
Usage: informal; transitive or intransitive

1. A loud shout or cry; the act of shouting.
Usage: informal

Examples

• The hunter gave a halloa to signal his companions across the field.
• She halloa'd from the hilltop to get our attention.
• He let out a halloa of joy when he saw his old friend.
• The children halloa'd as they ran through the park.
• A halloa echoed across the valley.
• They halloa'd back and forth to coordinate their search.