رَدَنُ

Spun thread: (Sh, T, S, K:) or spun thread that is not even: (T:) or thread spun [by moving the hand] forwards [upon the spindle against the thigh]: or spun thread that is مَنْكُوس [i. e. twisted in a manner the reverse of that which is usual: see شَزْرٌ]: thread spun with the مِرْدَن. (M. [See مَرْدُونٌ.])

And [Cloth of the kind termed] خَزّ: (AA, T, S, M, K, and Ham p. 218:) or yellow خَزّ: (AA, T:) or what is woven from what women spin with the مِرْدَن (مما تردنه النساء): (Ham ubi suprà: [see, again, مَرْدُونٌ:]) or silk; i. q. قَزٌّ; (M;) or حَرِيرٌ. (TA.)

And The [membrane called] غِرْس [q. v.] that comes forth with the young (S, K, TA) from the belly of its mother. (TA.) The Arabs say, هٰذَا مِدْرَعُ الرَّدَنِ [This is the غِرْس]. (S, TA.)

See also رَادِنٌ.