The word (, pl. ركعات ) refers to one unit of
Islamic prayer, or
Salah. Each daily prayer is made up of a different number of raka'at:
Fajr — The dawn prayer: 2 raka'at
Dhuhr — The noon prayer: 4 raka'at
Asr — The afternoon prayer: 4 raka'at
Maghrib — The sunset prayer: 3 raka'at
Isha'a — The night prayer: 4 raka'at
See more at Wikipedia.org...