Here are some common definitions:
General:
* Information or facts that are used to prove or disprove something.
* Anything that can be used to prove or disprove a point.
Legal:
* Information that is presented in a court of law to prove or disprove a fact.
* Testimony, documents, and physical objects that are used to support a legal claim.
Scientific:
* Data that is collected through observation, experimentation, or analysis.
* Information that is used to support or refute a scientific hypothesis.
Other:
* Anything that provides a reason to believe something.
* A sign or indication of something.
Here are some key characteristics of evidence:
* Reliability: The evidence must be trustworthy and accurate.
* Relevance: The evidence must be related to the claim or statement being made.
* Sufficiency: There must be enough evidence to support the claim.
The specific meaning of "evidence" will vary depending on the situation, but the underlying principle is the same: evidence is information that can be used to support or refute a claim.