This is the 10097th most frequent Turkish word.
bayramımız
"Our holiday" or "Our festival."
Here, 'bayramımız' is a possessive noun meaning 'our holiday', indicating an ownership by the collective group.
Bu hafta sonu bayramımız var.
This weekend, we have our holiday.
In this sentence, 'bayramımızda' incorporates the locative suffix '-da' to indicate an event occurring during 'our holiday' period.
Bayramımızda her yıl büyük bir şölen düzenleriz.
During our holiday, we organize a large festival every year.
Here, 'bayramımızı' uses the accusative suffix '-ı', which marks it as the direct object of the verb 'kutlayacağız' (will celebrate).