- A week day, esp. a day which is neither a festival nor a
fast.
Meaning of 'feria' (Princeton's WordNet)
1 . feria
[ n]
Meaning (1): - a weekday on which no festival or holiday is celebrated
Example in sentence:
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