Baretti: A dictionary of the English and Italian languages
Bárb-a, s. f. dim Bárb-étta, Bárb-ína, Bárb-íno, Bárb-úccia, aug.Bárb-óne; disp. Bárb-áccia,
1. the whole of the hair upon the cheeks and chin, beard; 2. face, chin; 3. the slender root of some plants. Far la — di stoppa, to play a person a trick when he least expects it. Alla — mia, in my very face, in spite of my teeth; 4. origin, cause. La superbia è — di tutti i mali, pride is the mother of all sin; 5. uncle.
Florio: a worlde of wordes, or most copious, dictionarie in Italian and English
barba: a beard. Also an Vnckle. Also the curbe-place or chin of a horse.