1. A sudden or violent mental or emotional disturbance.
  2. A disturbance in the equilibrium or permanence of something.
  3. Something that causes such disturbance.
  4. A state of being so disturbed. (being in shock)
  5. A state of profound depression of the vital processes associated with reduced blood volume and pressure and caused usually by severe especially crushing injuries, hemorrhage, or burns.
  6. (verb) To cause to undergo a physical or nervous shock.

The emotion of Shock is found in the Small Intestine meridian in the Fire element.

Definition from Dictionary by Merriam-Webster.