Halloo \Hal*loo"\, v. t.
   1. To encourage with shouts.
      
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            Old John hallooes his hounds again.   --Prior.
      
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   2. To chase with shouts or outcries.
      
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            If I fly . . . Halloo me like a hare. --Shak.
      
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   3. To call or shout to; to hail. --Shak.
      
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Halloo \Hal*loo"\, interj. [OE. halow. See {Halloo}, n.]
   An exclamation to call attention or to encourage one. Now
   mostly replaced by {hello}.
   
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Halloo \Hal*loo"\ (h[a^]l*l[=oo]"), n. [Perh. fr. ah + lo; cf.
   AS. eal[=a], G. halloh, F. haler to set (a dog) on. Cf.
   {Hollo}, interj.]
   A loud exclamation; a call to invite attention or to incite a
   person or an animal; a shout.
   
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         List! List! I hear
         Some far off halloo break the silent air. --Milton.
   
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Halloo \Hal*loo"\, v. i. [imp. & p. p. {Hallooed} (-l[=oo]d");
   p. pr. & vb. n. {Hallooing}.]
   To cry out; to exclaim with a loud voice; to call to a
   person, as by the word halloo.
   
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         Country folks hallooed and hooted after me. --Sir P.
                                                  Sidney.
   
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