Concussion /(?)/

Con·cus·sion

Concussion

n.
  1. A shaking or agitation; a shock; caused by the collision of two bodies.
    It is believed that great ringing of bells, in populous cities, hath dissipated pestilent air; which may be from the concussion of the air.
  2. A condition of lowered functional activity, without visible structural change, produced in an organ by a shock, as by fall or blow; as, a concussion of the brain. (Med.)
  3. The unlawful forcing of another by threats of violence to yield up something of value. (Civil Law)
    Then concussion, rapine, pilleries, Their catalogue of accusations fill.

Phrases & Compounds
Concussion fuse
one that is ignited by the concussion of the shell when it strikes.