The Collaborative International Dictionary of English v.0.48:

Invert \In*vert"\, v. t. [imp. & p. p. Inverted; p. pr. & vb.
   n. Inverting.] [L. invertere, inversum; pref. in- in +
   vertere to turn. See Verse.]
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   1. To turn over; to put upside down; to upset; to place in a
      contrary order or direction; to reverse; as, to invert a
      cup, the order of words, rules of justice, etc.
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            That doth invert the attest of eyes and ears,
            As if these organs had deceptious functions. --Shak.
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            Such reasoning falls like an inverted cone,
            Wanting its proper base to stand upon. --Cowper.
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   2. (Mus.) To change the position of; -- said of tones which
      form a chord, or parts which compose harmony.
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   3. To divert; to convert to a wrong use. [Obs.] --Knolles.
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   4. (Chem.) To convert; to reverse; to decompose by, or
      subject to, inversion. See Inversion, n., 10.
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