The Collaborative International Dictionary of English v.0.48:
Sura \Su"ra\, n. [Ar., a step, a degree.] One of the sections or chapters of the Koran, which are one hundred and fourteen in number. [1913 Webster]WordNet (r) 3.0 (2006):
sura n 1: one of the sections (or chapters) in the Koran; "the Quran is divided in 114 suras" 2: the muscular back part of the shank [syn: calf, sura]