أَطْرٌ

The place of curvature (مُنْحَنَى) of a bow, and of a cloud: (K, TA:) a verbal noun used as a subst., and, being so used, admitting the dual form: or the bent, or curved, part of the extremity of a bow; to which Tarafeh likens the curving of the ribs of a she-camel: (TA:) and what resembles a curvature, seen in the clouds: a verbal noun in the sense of a pass. particle n. (Skr, TA.)