رُقْرُقَانُ السَّرَابِ

What is in a state of commotion, of the سراب [or mirage]: (IDrd, O, K:) and السَّرَابِ ↓ رَقْرَاقُ means [the same, or] what [moves to and fro, or undulates, or] comes and goes, of the سراب. (S.) And سَرَابٌ رُقْرُقَانٌ [Mirage] that shines, or glistens. (TA.)