1. large military units typically consisting of several companies and forming part of a regiment
Usage: military
2. large groups of people organized for a particular purpose
Usage: figurative

Examples

• Three battalions were deployed to the front lines.
• The general commanded five infantry battalions.
• Each battalion contained about 800 soldiers.
• Battalions of volunteers helped clean up after the disaster.
• The company faced battalions of angry protesters.
• Battalions of reporters gathered outside the courthouse.
• The army reorganized its battalions for better efficiency.