- Ejtaal Arabic Almanac: Lane's Lexicon, Hans Wehr, Lisan al-Arab and others
- Perseus: Lane's Lexicon (in text format)
- 1 times as noun mwr
- 2 times as verb tmwr
[It will come to pass] on the Day when the skies will be convulsed in [a great] convulsion,
Can you ever feel secure that He who is in heaven* will not cause the earth to swallow you up when, lo and behold, it begins to quake?