The Collaborative International Dictionary of English v.0.48:
Tripping \Trip"ping\, n.
   1. Act of one who, or that which, trips.
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   2. A light dance.
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            Other trippings to be trod of lighter toes.
                                                  --Milton.
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   3. (Naut.) The loosing of an anchor from the ground by means
      of its cable or buoy rope.
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   Tripping line (Naut.), a small rope attached to the
      topgallant or royal yard, used to trip the yard, and in
      lowering it to the deck; also, a line used in letting go
      the anchor. --Luce.
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