The word(s) "smiting" appears 3 time(s) in 3 verse(s) in Quran in Muhammad Pickthal translation.

(1) If thou couldst see how the angels receive those who disbelieve, smiting faces and their backs and (saying): Taste the punishment of burning!

(2) Now when ye meet in battle those who disbelieve, then it is smiting of the necks until, when ye have routed them, then making fast of bonds; and afterward either grace or ransom till the war lay down its burdens. That (is the ordinance). And if Allah willed He could have punished them (without you) but (thus it is ordained) that He may try some of you by means of others. And those who are slain in the way of Allah, He rendereth not their actions vain.

(3) Then how (will it be with them) when the angels gather them, smiting their faces and their backs!