1. an outdoor camping trip or overnight stay in a tent or under the stars
Usage: informal; often used in contexts of recreation, scouting, or family activities
2. a public protest or demonstration in which participants remain in a location overnight or for an extended period
Usage: informal; modern usage, especially in political or social activism contexts

Examples

• The scouts organized a campout in the mountains for the weekend.
• We took the kids on a campout to teach them about nature.
• The family enjoyed their first campout at the state park.
• Protesters set up a campout outside city hall to demand change.
• The environmental group planned a campout to raise awareness about climate issues.
• Last summer, our troop went on an amazing campout by the lake.