The Collaborative International Dictionary of English v.0.48:

There \There\, adv. [OE. ther, AS. [eth][=ae]r; akin to D. daar,
   G. da, OHG. d[=a]r, Sw. & Dan. der, Icel. & Goth. [thorn]ar,
   Skr. tarhi then, and E. that. [root]184. See That, pron.]
   1. In or at that place. "[They] there left me and my man,
      both bound together." --Shak.
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            The Lord God planted a garden eastward in Eden; and
            there he put the man whom he had formed. --Ge. ii.
                                                  8.
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   Note: In distinction from here, there usually signifies a
         place farther off. "Darkness there might well seem
         twilight here." --Milton.
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   2. In that matter, relation, etc.; at that point, stage,
      etc., regarded as a distinct place; as, he did not stop
      there, but continued his speech.
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            The law that theaten'd death becomes thy friend
            And turns it to exile; there art thou happy. --Shak.
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   3. To or into that place; thither.
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            The rarest that e'er came there.      --Shak.
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   Note: There is sometimes used by way of exclamation, calling
         the attention to something, especially to something
         distant; as, there, there! see there! look there! There
         is often used as an expletive, and in this use, when it
         introduces a sentence or clause, the verb precedes its
         subject.
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               A knight there was, and that a worthy man.
                                                  --Chaucer.
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               There is a path which no fowl knoweth. --Job
                                                  xxviii. 7.
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               Wherever there is a sense or perception, there
               some idea is actually produced.    --Locke.
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               There have been that have delivered themselves
               from their ills by their good fortune or virtue.
                                                  --Suckling.
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   Note: There is much used in composition, and often has the
         sense of a pronoun. See Thereabout, Thereafter,
         Therefrom, etc.
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   Note: There was formerly used in the sense of where.
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               Spend their good there it is reasonable.
                                                  --Chaucer.
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   Here and there, in one place and another.
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   Syn: See Thither.
        [1913 Webster] Thereabout

The Collaborative International Dictionary of English v.0.48:

Here \Here\ (h[=e]r), adv. [OE. her, AS. h[=e]r; akin to OS.
   h[=e]r, D. hier, OHG. hiar, G. hier, Icel. & Goth. h[=e]r,
   Dan. her, Sw. h[aum]r; fr. root of E. he. See He.]
   1. In this place; in the place where the speaker is; --
      opposed to there.
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            He is not here, for he is risen.      --Matt.
                                                  xxviii. 6.
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   2. In the present life or state.
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            Happy here, and more happy hereafter. --Bacon.
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   3. To or into this place; hither. [Colloq.] See Thither.
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            Here comes Virgil.                    --B. Jonson.
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            Thou led'st me here.                  --Byron.
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   4. At this point of time, or of an argument; now.
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            The prisoner here made violent efforts to rise.
                                                  --Warren.
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   Note: Here, in the last sense, is sometimes used before a
         verb without subject; as, Here goes, for Now (something
         or somebody) goes; -- especially occurring thus in
         drinking healths. "Here's [a health] to thee, Dick."
         --Cowley.
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   Here and there, in one place and another; in a dispersed
      manner; irregularly. "Footsteps here and there."
      --Longfellow.

   It is neither, here nor there, it is neither in this place
      nor in that, neither in one place nor in another; hence,
      it is to no purpose, irrelevant, nonsense. --Shak.
      Herea-bout

WordNet (r) 3.0 (2006):

here and there
    adv 1: in or to various places; first this place and then that;
           "he worked here and there but never for long in one
           town"; "we drove here and there in the darkness"

Moby Thesaurus II by Grady Ward, 1.0:

48 Moby Thesaurus words for "here and there":
   at intervals, at large, at times, betimes, brokenly, by catches,
   by fits, by jerks, by skips, by snatches, diffusely,
   disconnectedly, discontinuously, dispersedly, ever and again,
   ever and anon, everywhere, exiguously, fitfully, haphazardly,
   in all quarters, in places, in spots, in various places,
   infrequently, intermittently, meagerly, now, now and again,
   occasionally, passim, per saltum, piddlingly, randomly, rarely,
   scantily, scarcely, scrimpily, skimpily, skippingly, sparsely,
   sparsim, sporadically, spottily, stingily, throughout,
   wherever you look, willy-nilly