Halloo (hăll&oomacr_;), 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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Halloo, 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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