Repercussion /(-k?sh"?n)/

Re·per·cus·sion

Repercussion

n.
  1. The act of driving back, or the state of being driven back; reflection; reverberation; as, the repercussion of sound.
    Ever echoing back in endless repercussion.
    — Hare.
  2. Rapid reiteration of the same sound. (Mus.)
  3. The subsidence of a tumor or eruption by the action of a repellent. (Med.)
  4. In a vaginal examination, the act of imparting through the uterine wall with the finger a shock to the fetus, so that it bounds upward, and falls back again against the examining finger. (Obstetrics)