鳥籠

1. Origins, structure, and basic meaning

• Structure: The compound 鳥籠 (とりかご) combines bird with cage and denotes a birdcage.
• Basic usage: One may 鳥籠を置く near a window or store the cage after it becomes empty.

2. Common pitfalls and similar expressions

• A cage for birds
  • It is a human-made enclosure, not the bird itself or a nest.