\Re*vul"sion\, n. [F. r['e]vulsion, L. revulsio, fr.
revellere, revulsum, to pluck or pull away; pref. re- re- +
vellere to pull. Cf. {Convulse}.]
1. A strong pulling or drawing back; withdrawal. ``Revulsions
   and pullbacks.'' --SSir T. Brovne.
2. A sudden reaction; a sudden and complete change; --
   applied to the feelings.
         A sudden and violent revulsion of feeling, both in
         the Parliament and the country, followed.
                                               --Macaulay.
3. (Med.) The act of turning or diverting any disease from
   one part of the body to another. It resembles derivation,
   but is usually applied to a more active form of counter
   irritation.