Mesopotamiae

Mesopotamiae is a Latin form of Mesopotamia, meaning “the Mesopotamians; that is at the middle door”. It is the nominative plural feminine noun or vocative plural feminine noun or dative singular feminine noun or genitive singular feminine noun.

Found 25 times in the Latin texts on Socratos.

Where it is used

Tacitus, Annales 1·200: … ita amicitia regis multo apud eum honore, praefectus campis qui Euphrate et Tigre inclutis amnibus circumflui Mesopotamiae nomen acceperunt. neque multo post Sinnaces auget copias, et columen partium Abdagaeses gazam et paratus regi …

Source: Socratos (socratos.org), a free reader for Ancient Greek and Latin. Grammar from the Perseus Treebank and Morpheus; dictionary entries from Lewis & Short, A Latin Dictionary (Perseus Digital Library, CC BY-SA). Counts are from the texts on Socratos.