كسر

كُسُورٌ ذ (assumed tropical:) The turnings, bendings, or windings, (مَعَاطِف, K, TA,) and parts eaten away by torrents, (جِرَفَة, TA,) and ravines, (شِعَاب, K, TA,) of valleys, (K, TA,) and of mountains: (TA:) a pl. without a sing.: (K:) you do not say كَسْرُ الوَادِى nor كِسْرُ الوادى. (TA.) ― -b2- أَرْضٌ ذَاتُ كُسُورٍ (tropical:) A land having [ places of ] ascent and descent. (S, A.) ― -b3- See also كَسْرٌ and كِسْرٌ.