| Noun | 1. | Susa - a port city in eastern Tunisia on the Mediterraneancity, metropolis, urban center - a large and densely populated urban area; may include several independent administrative districts; "Ancient Troy was a great city" port - a place (seaport or airport) where people and merchandise can enter or leave a country Republic of Tunisia, Tunisia - a republic in northwestern Africa on the Mediterranean coast; achieved independence from France in 1956; "southern Tunisia is mostly desert" | |