feedback

Multiple Entries:
  feedback    feed  

Concise Oxford English Dictionary © 2008 Oxford University Press:
feedback/ˈfiːdbak/

▶noun

• 1 information given in response to a product, a person's performance of a task, etc., used as a basis for improvement.

• 2 the modification or control of a process or system by its results or effects.

• 3 the return of a fraction of the output of an amplifier, microphone, or other device to the input, causing distortion or a whistling sound.

Concise Oxford English Dictionary © 2008 Oxford University Press:
feed/fiːd/

▶verb (past and past part. fed /fɛd/)

• 1 give food to.

  ■ provide an adequate supply of food for.

• 2 take food; eat.

  ■ (feed on/off) derive regular nourishment from (a substance).

• 3 supply with material, power, information, etc.

  ■ prompt (an actor) with (a line).

  ■ (in ball games) pass (the ball) to a player.

• 4 pass gradually through a confined space.

• 5 (feed back) (of an electrical or other system) produce feedback.

▶noun

• 1 an act of feeding or of being fed.

  ■ food for domestic animals.

• 2 a device or pipe for supplying material to a machine.

  ■ the supply of raw material to a machine or device.

  ■ a broadcast distributed by a satellite or network from a central source to a large number of radio or television stations.

– origin OE fēdan (v.), of Gmc origin; rel. to food.