Playpen (noun)

1. A portable, enclosed area, usually made of mesh or plastic, in which a young child can play safely.
2. A small, enclosed area in which a child can play safely and be contained.

Origin:

The term "playpen" is likely formed by combining the words "play" and "pen".

Examples:

1. She put her baby in the playpen so she could take a shower.
2. He set up the playpen in the living room so the baby could play safely.
3. The playpen provided a safe and contained area for the toddler to play.
4. The child enjoyed playing in the playpen with her toys.
5. The playpen is a great way to keep the child safe while allowing them to play independently.