Appendix VI. Correspondence between Islamic and Rabbinic Prayer
[24] A raka’at is a set of bending at the waist, and then two partial prostrations. One repetition of the Shemonah Esrei contains two raka’ats.
[25] The sunset (ma'ariv) prayer has one repetition of the Shemoneh Esrei (2 raka’ats) and Barchu after 'Alenu (1 raka’at) for a total of 3 raka’ats.