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.
True, drinking fino here isn't the same as at the feria.
From the thisislondon.co.uk
When a feria ended, Portobelo would revert to its quiet existence as a small seaport and garrison town.
From the en.wikipedia.org
In the Roman Rite a feria is a weekday on which the faithful are required to attend Mass, such as Ash Wednesday.
From the en.wikipedia.org
Today, this lively couples'dance is popular in most parts of Spain, though the dance is often associated with the city of Seville's famous Easter feria.
From the en.wikipedia.org
After 1740 the Pacific coast ports were permitted to trade directly via ships rounding Cape Horn, and the Portobelo feria was never held again.
From the en.wikipedia.org
Janus would then the patron of the feria as god of transitions, Juno for her affinities to Janus, especially on the day of the kalendae.
From the en.wikipedia.org
The feria of the goddess coincides with a Natalis Herculis, birthday of Hercules, which was celebrated with ludi circenses, games in the circus.
From the en.wikipedia.org
Fewer merchants came to the Portobelo feria to pay Spain's inflated prices because the foreign suppliers furnished cheaper goods at any port at which they could slip by or bribe the coastal guards.
From the en.wikipedia.org
More examples
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 ...
(in Spanish speaking regions) a local festival or fair, usually in honor of some patron saint
A feria (Latin for "free day") was a day on which the people, especially the slaves, were not obliged to work, and on which there were no court sessions. ...
A weekday on a Church calendar on which no feast is observed
An ordinary weekday on which no special liturgical commemoration is held.
(FAIR-ee-ah): Street market, found all over Chile. Often take place one day per week in a given location.
Ancient Roman holidays or festivals; any day except Saturday, Sunday, or one designated a festival or vigil.