- The commercial language of the Levant, -- a mixture of
the languages of the people of the region and of foreign traders.
Meaning of 'lingua franca' (Princeton's WordNet)
1 . lingua franca
[ n]
Meaning (1): - a common language used by speakers of different languages
Example in sentence:
Koine is a dialect of ancient Greek that was the lingua franca of the empire of Alexander the Great and was widely spoken throughout the eastern Mediterranean area in Roman times