• Ejtaal Arabic Almanac: Lane's Lexicon, Hans Wehr, Lisan al-Arab and others
  • Perseus: Lane's Lexicon (in text format)
    • qsTs
    • qsTs (if it is not found in the link above)
The root qsTs (ق س ط س) occurs 2 times in Quran, in 1 derived forms:
  • 2 times as noun qsTas



And give full measure whenever you measure, and weigh with a balance that is true:* this will be [for your own] good, and best in the end.
and [in all your dealings] weigh with a true balance,