أَغْمَرُ
1.
[More, or most, abundant, copious, or deep: applied to water.
2.
] More, or most surpassing, or excelling: so in the saying, هُوَ أَغْمَرُهُمْ
بِطُولِ قَوَامِهِ
He is the most surpassing of them by the tallness of his stature. (TA.)