Meaning
The mythical emerald mountain-range believed to encircle the world at its edge, the legendary abode of the Simurgh and of fairies and jinn.
Literally: the encircling mountain
How Iqbal uses it
Mount Qaf marks the utmost limit of the world and the realm of the marvellous; poets invoke it as the unreachable far horizon and the dwelling of the Simurgh, a figure for the goal at the end of every quest.