- short for electric shock.the home-made lighting gave my father a shock when he touched the aquarium
- 2 [mass noun] an acute medical condition associated with a fall in blood pressure, caused by such events as loss of blood, severe burns, allergic reaction, or sudden emotional stress, and marked by cold, pallid skin, irregular breathing, rapid pulse, and dilated pupils:he died of shock due to massive abdominal haemorrhage
- 4short for shock absorber.
mid 16th century: from French choc (noun), choquer (verb), of unknown origin. The original senses were 'throw (troops) into confusion by charging at them' and 'an encounter between charging forces', giving rise to the notion of 'sudden violent blow or impact'