a weekday on which no festival or holiday is celebrated;
"in the middle ages feria was used with a prefixed ordinal number to designate the day of the week, so `secunda feria' meant Monday, but Sunday and Saturday were always called by their names, Dominicus and Sabbatum, and so feria came to mean an ordinary weekday"
(in Spanish speaking regions) a local festival or fair, usually in honor of some patron saint
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