What is the definition for idiom long table?

The phrase "long table" is not a recognized idiom with a specific meaning. It's a literal description of a table that is long, rather than a figurative expression.

However, it's often used metaphorically to represent:

* A gathering of many people: This is particularly common in contexts like feasts, meetings, or discussions. The image of a long table evokes a sense of community and shared experience.

* A sense of shared purpose or collaboration: The extended length of the table can symbolize the need for cooperation and discussion among a diverse group.

* A space for open communication and dialogue: The long table can be seen as a neutral ground where people can come together to share their ideas and perspectives.

It's important to note that the meaning of "long table" can vary depending on the context. It's helpful to consider the specific situation and the speaker's intention to understand the full meaning.