Definition of "sura"

sura¹

noun
plural suras or suwar
1. Any of the 114 chapters of the Quran.
  Quotations
  Most of these essentially uninflected syllables (CV̄C) are names of the letters of the alphabet and introduce some of the suwar of the Qurʾanic text.
  1985, Kristina Nelson, The Art of Reciting the Qurʾan, Cairo, Egypt: American University in Cairo Press (2001), chapter 2: “Tajwīd”, page 25

sura²

noun
uncountable
1. The sap of the palmyra or of the coconut palm, palm wine.