"Rubber" has multiple meanings, depending on the context. Here are some common definitions:
1. A flexible and elastic substance made from the sap of certain plants, used primarily for manufacturing various products such as tires, rubber bands, and erasers.
2. A slang term for a condom or contraceptive device made of rubber.
3. In sports, "rubber" can refer to the final game or match in a tiebreaker situation, particularly in tennis or table tennis.
4. In informal English, "rubber" can mean an eraser.
5. "Rubber" can also refer to the act of rubbing or polishing something, as in "rubber gloves" or "rubber shoes."
Please provide more context if none of these definitions apply to your question.
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