A shout of halloo.
Used to greet someone, or to catch their attention.
Used in hunting to urge on the pursuers.
To shout halloo.
To encourage with shouts; to egg (someone) on.
To shout (something).
To chase with shouts or outcries.
To call or shout to; to hail.
Something spoken or written that is intended to warn.
The action of the verb warn; an instance of warning someone.
Used to warn of danger in signs and notices.