Definition of "Al-ma al-idd"
Lit: Water that gushes forth by itself. Tech: Relating to the law of ’iqta‘, a place that contains a source of water gushing forth naturally and being accessible to common people. It cannot be donated as ’iqta‘ to anyone. The Prophet withdrew on this plea from one of his companions salt layers of Ma'arib after granting them as ’iqta‘.