reinforce: Meaning and Definition of

re•in•force

1. to strengthen with some added piece, support, or material: to reinforce a wall.
2. to strengthen (a military force) with additional personnel, ships, or aircraft: to reinforce a garrison.
3. to strengthen; make more forcible or effective: to reinforce efforts.
4. to augment; increase: to reinforce a supply.
5. to strengthen the probability of (a response to a given stimulus) by giving or withholding a reward.

1. something that reinforces.
2. a metal band on the rear part of the bore of a gun, where the explosion occurs.