adj. Eccl. 1 (of a day) ordinary; not appointed for a festival or fast. 2 (of a service etc.) for use on a ferial day.
[ ME f. OF ferial or med.L ferialis f. L feriae: see FAIR(2) ]
FERIAL
Meaning of FERIAL in English
Concise Oxford English dictionary. Краткий оксфордский словарь английского языка. 2012