GNU Collaborative International Dictionary of English

Found 4 definitions

1.       
   Halloo , n. [Perh. fr. ah + lo; cf. AS. ealā, 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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2.       
   Halloo, v. i. [imp. & p. p. Hallooed ; 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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3.       
   Halloo, v. t.
   To encourage with shouts.
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   Old John hallooes his hounds again.
   Prior.
   
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   To chase with shouts or outcries.
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   If I fly . . . Halloo me like a hare.
   Shak.
   
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   To call or shout to; to hail.
   Shak.
   
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4.       
   Halloo, interj. [OE. halow. See Halloo, n.] An exclamation to call attention or to encourage one. Now mostly replaced by hello.
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