1. outdoor areas with equipment for children to play on, such as swings, slides, and climbing structures
Usage: plural of playground
2. places or situations where people can experiment, explore, or engage in activities freely
Usage: figurative use

Examples

• The city built new playgrounds in three different neighborhoods.
• Children love spending time at school playgrounds during recess.
• The park has separate playgrounds for toddlers and older kids.
• Safety inspectors regularly check all public playgrounds for hazards.
• These online platforms serve as playgrounds for creative developers.
• The wealthy resort areas became playgrounds for the rich and famous.