Appears 2 times in the Quran. (Root: ذكر)
  1. And who is more unjust than he who prevents (men) from the masjids of Allah, that His name should be remembered in them, and strives to ruin them? (As for) these, it was not proper for them that they should have entered them except in fear; they shall meet with disgrace in this world, and they shall have great chastisement in the hereafter.

  2. In houses which Allah has permitted to be exalted and that His name may be remembered in them; there glorify Him therein in the mornings and the evenings,