noun

1. The act of taking possession, as by force or right of law.

   “The search warrant permitted the seizure of evidence.”

2. A sudden attack or convulsion, (e.g. an epileptic seizure).

   “He fell to the floor and convulsed when the epileptic seizure occurred.”

3. A sudden onset of pain or emotion.

   “He felt the sudden seizure of pain as the heart attack began.”