The Collaborative International Dictionary of English v.0.48:

Ruffle \Ruf"fle\, n. [See Ruffle, v. t. & i.]
   1. That which is ruffled; specifically, a strip of lace,
      cambric, or other fine cloth, plaited or gathered on one
      edge or in the middle, and used as a trimming; a frill.
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   2. A state of being ruffled or disturbed; disturbance;
      agitation; commotion; as, to put the mind in a ruffle.
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   3. (Mil.) A low, vibrating beat of a drum, not so loud as a
      roll; -- called also ruff. --H. L. Scott.
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   4. (Zool.) The connected series of large egg capsules, or
      oothecae, of any one of several species of American marine
      gastropods of the genus Fulgur. See Ootheca.
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   Ruffle of a boot, the top turned down, and scalloped or
      plaited. --Halliwell.
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