from The American Heritage® Dictionary of the English Language, 4th Edition

  • interj. Used to catch someone's attention.
  • interj. Used to urge on hounds in a hunt.
  • n. A shout or call of "halloo.”
  • intransitive v. To shout "halloo.”
  • transitive v. To urge on or pursue by calling "halloo” or shouting.
  • transitive v. To call out to.
  • transitive v. To shout or yell (something).

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • interj. Used to greet someone, or to catch their attention
  • interj. Used in hunting to urge on the pursuers
  • n. A shout of halloo
  • v. To shout halloo

from the GNU version of the Collaborative International Dictionary of English

  • n. A loud exclamation; a call to invite attention or to incite a person or an animal; a shout.
  • interj. An exclamation to call attention or to encourage one. Now mostly replaced by hello.
  • intransitive v. To cry out; to exclaim with a loud voice; to call to a person, as by the word halloo.
  • transitive v. To encourage with shouts.
  • transitive v. To chase with shouts or outcries.
  • transitive v. To call or shout to; to hail.

from The Century Dictionary and Cyclopedia

  • An exclamation used to call the attention of a person at a distance, or in hunting to incite the dogs.
  • To cry out; call with a loud voice; shout; cry, as after dogs.
  • To call or shout to; incite or chase with shouts and cries of “Halloo!”
  • To cry aloud; utter with shouts.
  • n. A call, cry, or shout uttered to attract attention, or as a signal, as in hunting to urge on the dogs.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. a shout to attract attention
  • v. urge on with shouts
  • v. shout `halloo', as when greeting someone or attracting attention


from The American Heritage® Dictionary of the English Language, 4th Edition

Alteration of obsolete holla, stop!; see hello.



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  • And truly so am I; for he sometimes whoops like a speaking trumpet—(TONY hallooing behind the scenes)—O, there he goes—a very consumptive figure, truly.

    Goldsmith, She Stoops, I

    January 8, 2007