Source : Webster's Revised Unabridged Dictionary (1913)

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.

   2. A state of being ruffled or disturbed; disturbance;
      agitation; commotion; as, to put the mind in a ruffle.

   3. (Mil.) A low, vibrating beat of a drum, not so loud as a
      roll; -- called also {ruff}. --H. L. Scott.

   4. (Zo["o]l.) The connected series of large egg capsules, or
      o["o]thec[ae], of any one of several species of American
      marine gastropods of the genus {Fulgur}. See {O["o]theca}.

   {Ruffle of a boot}, the top turned down, and scalloped or
      plaited. --Halliwell.