Baretti: A dictionary of the English and Italian languages
Féccia, s. f. pl. ce,
1. dregs, lees, sediment, fæces, dung. — dell' olio. V. morchia. — del vino, the lees of wine. Tirar il vino dalla —,to rack off wine. La — del popolo, the dregs of the people, the mob, the scum of the people. Imbottar sopra la —, to commit fault upon fault; 2. human excrement.
Florio: a worlde of wordes, or most copious, dictionarie in Italian and English
feccia: dregs, lees or silth of wine, dregs or mother of oyle, drosse, ordure or riffraff of any thing.