Pil'lars of Is'lam
the five bases of the Islamic faith: shahada (confession of faith), salat (prayer), zakat (almsgiving), sawm (fasting, esp. during the month of Ramadan), and hajj (the pilgrimage to Mecca). Also called Pil'lars of the Faith'. Cf. din 2, Ibada.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.