The Collaborative International Dictionary of English v.0.48:

Moiety \Moi"e*ty\ (moi"[-e]*t[y^]), n.; pl. Moieties
   (moi"[-e]*t[i^]z). [F. moiti['e], L. medietas, fr. medius
   middle, half. See Mid, a., and cf. Mediate, Mediety.]
   1. One of two equal parts; a half; as, a moiety of an estate,
      of goods, or of profits; the moiety of a jury, or of a
      nation. --Shak.
      [1913 Webster]

            The more beautiful moiety of his majesty's subject.
                                                  --Addison.
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   2. An indefinite part; a small part. --Shak.
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