رزن

رَزْنٌ ذ A place that is elevated (S, K, TA) and hard, (TA,) having in it a depression that retains the water [ of the rain ]: pl. رُزُونٌ and رِزَانٌ: (S, K, TA:) the latter of which pls. is also pl. of رِزْنَةٌ [q. v.]. (K.) It is also sing. of أَرْزَانٌ signifying [ Hollows, or cavities, such as are termed ] نُقَرٌ [pl. of نُقْرَةٌ] in stone, or in rugged ground, that retain the water [ of the rain ]; and so is ↓ رِزْنٌ; or, accord. to Ibn-Hamzeh, this latter only; and thus says IB, because a noun of the measure فَعْلٌ has not a pl. of the measure أَفْعَالٌ, except in a few instances. (TA.) [The pl.] رُزَونٌ also signifies The remains of a torrent in places which it has partially worn away. (TA.)