1. A loud call or shout used to attract attention or greet someone from a distance.
Usage: informal; chiefly British

1. To shout or call out 'hulloa' to someone; to greet or hail loudly.
Usage: informal; chiefly British

Examples

• Hulloa! Can you hear me from over there?
• He hulloa'd across the field to get his friend's attention.
• The hunter gave a loud hulloa to signal the start of the chase.
• She hulloa'd from the window when she spotted him arriving.
• Hulloa, old chap! Good to see you again.
• They hulloa'd back and forth across the valley.