The Collaborative International Dictionary of English v.0.48:

Chapelet \Chap"e*let\, n. [F. See Chaplet.]
   1. A pair of straps, with stirrups, joined at the top and
      fastened to the pommel or the frame of the saddle, after
      they have been adjusted to the convenience of the rider.
      [Written also chaplet.]
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   2. A kind of chain pump, or dredging machine.
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The Collaborative International Dictionary of English v.0.48:

Chaplet \Chap"let\, n.
   A small chapel or shrine.
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The Collaborative International Dictionary of English v.0.48:

Chaplet \Chap"let\, v. t. [imp. & p. p. Chapleted.]
   To adorn with a chaplet or with flowers. --R. Browning.
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The Collaborative International Dictionary of English v.0.48:

Chaplet \Chap"let\, n. [F. chapelet, dim. of OF. chapel hat,
   garland, dim. fr. LL. cappa. See Cap, and cf. Chapelet,
   Chapeau.]
   1. A garland or wreath to be worn on the head.
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   2. A string of beads, or part of a string, used by Roman
      Catholic in praying; a third of a rosary, or fifty beads.
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            Her chaplet of beads and her missal.  --Longfellow.
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   3. (Arch.) A small molding, carved into beads, pearls,
      olives, etc.
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   4. (Man.) A chapelet. See Chapelet, 1.
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   5. (Founding) A bent piece of sheet iron, or a pin with thin
      plates on its ends, for holding a core in place in the
      mold.
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   6. A tuft of feathers on a peacock's head. --Johnson.
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WordNet (r) 3.0 (2006):

chaplet
    n 1: flower arrangement consisting of a circular band of foliage
         or flowers for ornamental purposes [syn: wreath,
         garland, coronal, chaplet, lei]