noun
Refers to something else, distinct from the current topic or object. Often used in contrastive contexts.
この問題は他物と区別して考える必要がある。
This issue needs to be considered separately from other things.
noun
another person's property
Specifically refers to property belonging to someone else. Formal or legal nuance.
他物を無断で使用してはいけない。
You must not use another person's property without permission.