يَاقُوتٌ مُجَيَّبٌ

Hollowed [sapphires]: occurring in a tradition describing the banks of the river of Paradise: but according to one reading, it is لُوءْلُوءٌ مُجَوَّبٌ; according to another, مُجَيَّبٌ or مَجَوَّفٌ; and according to another, مُجَيَّبٌ or مُجَوَّبٌ. (TA.)