نسب

نَيْسَبٌ ذ A straight, or direct, and conspicuous, or open, road, or way: (K:) or narrow road, or way: (TA:) as also ↓ نَيْسَبَانٌ: (K:) some say نَيْسَمٌ, which is a dial. form: (TA:) or نيسب signifies the traces of a road, or way. (K.) ― -b2- Also نَيْسَبٌ Ants that appear like a road; (S;) ants following one another uninterruptedly. (K.) Dukeyn Ibn-Rejà says, عَيْنًا تَرَى النَّاسَ اـِلَيْهَا نَيْسَبَا [ A source to which thou seest the people ( repairing like ) ants proceeding in uninterrupted succession ]. (S.) ― -b3- Also, the track of ants, (ISd, K,) and of a serpent, and of wild asses going to their watering-places. (TA.)