1. A shout.

Nuttall's Standard dictionary of the English language By Nuttall, P.Austin

• hola,
• halla,
• hallo,
• hollla,
• hoolla,
• golloa,
• bolloa,
• nolloa,
• jolloa,
• uolloa,
• yolloa,
• hilloa,
• hklloa,
• hllloa,
• hplloa,
• h0lloa,
• h9lloa,
• hokloa,
• hollowa,
• hollua

• Hollie,
• HOLL,
• holy,
• hollow,
• hollo,
• howley,
• hooley,
• hohl,
• Holli,
• Holle,
• Howle,
• holly,
• hoyle,
• holey,
• Holaway,
• holla,
• Holley,
• houle,
• hole,
• hoel,
• howl,
• Howell,
• Holloway,
• Hollaway.

The adjective form of the word "holloa" is "holloaing".

The plural form of "holloa" is "holloas".

The singular form of the word "holloa" is "holloa". It is a singular noun.