Weird sisters

from The Collaborative International Dictionary of English v.0.48
Weird \Weird\, a.
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   1. Of or pertaining to fate; concerned with destiny.
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   2. Of or pertaining to witchcraft; caused by, or suggesting,
      magical influence; supernatural; unearthly; wild; as, a
      weird appearance, look, sound, etc.
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            Myself too had weird seizures.        --Tennyson.
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            Those sweet, low tones, that seemed like a weird
            incantation.                          --Longfellow.
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   {Weird sisters}, the Fates. [Scot.] --G. Douglas.
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   Note: Shakespeare uses the term for the three witches in
         Macbeth.
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               The weird sisters, hand in hand,
               Posters of the sea and land.       --Shak.
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