Re`per*cus"sion (-k?sh"?n), n. [L. repercussio: cf. F. r'epercussion.] 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. Mus. Rapid reiteration of the same sound.
3. Med. The subsidence of a tumor or eruption by the action of a repellent.
Dunglison.
4. Obstetrics 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.
© Webster 1913. | 
