درزدَرْزٌ [A seam, or a raised seam, of a garment or piece of cloth;] the elevation that is occasioned in a garment or piece of cloth when its two edges are put together in the sewing; (Mgh;) one of the دُرُوز of a garment or piece of cloth, (S, TA,) and the like; (TA;) which are well known: (K:) a Persian word, [originally دَرْزْ,] (S, TA,) arabicized: (S, K:) or, accord. to some, the nap, or villous substance, (زِئْبِر,) and lustre, (مَآء,) of a garment, or piece of cloth. (TA.) b2:  [Hence,] بَنَاتُ الدُّرُوزِ (tropical:)  Lice: and nits; syn. صِئْبَانٌ. (S, K, TA.)