قَهْنَبَانٌ: see what follows.

قَهَنَّبٌ Tall, and having a curving back, the upper part bending forward over the breast, or a bent and humped back, or a projecting breast and hollow back; accord. to the different explanations of أَجْنَأُ: or tall; (Ḳ;) i. e., in an absolute sense; (TA;) as alsoقَهْنَبَانٌ↓. (Ḳ.) But AḤei and others assert that the ن is augmentative. (MF.)

مُقَهْنِبٌ Always remaining at the water. (Ḳ.)