1. Relating to or connecting different states:
* Example: The interstate highway system connects cities across the country.
* Usage: This is the most common meaning of "interstate" in the United States.
2. Existing or occurring between states:
* Example: An interstate dispute over water rights.
* Usage: This meaning is often used in legal and political contexts.
Without more context, it's impossible to choose the "correct" definition. Could you please provide me with more information about how the word "interstate" is being used?