GNU Collaborative International Dictionary of English

Found one definition 

  1.       

    { Thereabout , Thereabouts , } adv. [The latter spelling is less proper, but more commonly used.]
    1. Near that place.
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    2. Near that number, degree, or quantity; nearly; as, ten men, or thereabouts.
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      Five or six thousand horse . . . or thereabouts.
      Shak.

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      Some three months since, or thereabout.
      Suckling.

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    3. Concerning that; about that. [R.]
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      What will ye dine? I will go thereabout.
      Chaucer.

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      They were much perplexed thereabout.
      Luke xxiv. 4.

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