This is the 2683rd most frequent Spanish word.
feriado
A public holiday or day off.
In this sentence, 'feriado' is used as a noun meaning 'holiday', referring to a specific day that is celebrated nationwide as a day off from work or routine activities.
El lunes será feriado nacional por el día de la independencia.
Monday will be a national holiday due to Independence Day.
Here, 'feriado' is used as a noun referring to a day free from work due to its designation as a holiday.
Hoy no trabajamos porque es feriado.
Today we are not working because it is a holiday.
In this case, 'feriado' is used to refer to days officially recognized as holidays, discussing the practice of moving holidays to create long weekends.