* Summer: The season of the year between spring and autumn, known for its warm weather.
* Triclinium: An ancient Roman dining room. It was typically a semi-circular room with three couches arranged around a central table where guests would recline to eat.
Therefore, "summer triclinium" most likely refers to:
* A triclinium that was specifically designed for use during the summer months. This might imply features like open windows, cool stone floors, or a location that was shaded from the sun.
* A triclinium that was used for summer dining. This could be any triclinium, but used during the summer season for meals.
It's important to note that "summer triclinium" is not a standard term in English. The context in which it is used will determine its exact meaning.