This is the 285th most frequent Hebrew word.
רביעי
Fourth.
Describes ordinal placement and refers specifically to Wednesday, linking the word "רביעי" to its meaning as "fourth".
היום הרביעי בשבוע הוא יום רביעי.
The fourth day of the week is Wednesday.
"רביעי" is used as an ordinal number to indicate sequence in a series of days.
בית הספר התחיל את היום הרביעי בפעילות ספורטיבית.
The school started the fourth day with a sports activity.
Functions as an ordinal number to specify the position of the paper in a sequence.