Rock. — Rather, cliff — sela, the word always used of the event that took place at Kadesh (Numbers 20:8-11), as tsûr is of the rock in Horeb. The plural of this latter word in Psalms 78:15 is poetical and general.
Related Commentaries of Psalms 78:16
Psalms 78:16
16 He brought streams also out of the rock, and caused waters to run down like rivers.