\Lin"gua Fran"ca\ (l[i^][ng]"gw[.a]
fr[a^][ng]"k[.a]). [It., prop., language of the Franks.]
The commercial language of the Levant, -- a mixture of the
languages of the people of the region and of foreign traders.

\Lin"gua Fran"ca\
Any hybrid or other language used over a wide area as a
common or commercial tongue among peoples of different
speech.