What is "barbaras"

Usage examples of "barbaras".

I grew up with Barbaras and Loises and Claires, Mikes and Dicks and Sheldons, McGeorge becomes ”Mac,“ but what do you call young Harcourt when you’re playing ring-a-levio?

The pope regretted that for the moment he could not send him dignitaries of high rank, also because they were ignorant of linguas barbaras et ignotas, but he was sending Philip, a discreet and most cautious man, to educate John in the true faith.