Definition of reinforcement
- About 8 a.m. Soviet tanks and armored personnel carriers containing reinforcements approached the gorge from the right flank.
- —John Barron
- a bridge in need of steel reinforcements
- positive/negative reinforcement
“We're outnumbered! Call for reinforcements!”
We need to prevent enemy reinforcements from reaching the front line.
The bridge is in need of reinforcement.
You should encourage good behavior with positive reinforcement.
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