تَبَّانٌ

A seller of تِبْن: (S, M, K:) thus, perfectly decl., if of the measure فَعَّال, from التِّبْنُ: but if of the measure فَعْلَان, from التَّبُّ [the act of cutting (for تِبْن is generally cut by the thrashingmachine)], it is [تَبَّانُ,] imperfectly decl. (S.)