مَطْعَنٌ

is a noun of place [signifying A place of piercing or thrusting &c.]; as well as a verbal noun (Msb.) مَا فِيهِ مَطْعَنٌ means (assumed tropical:) There is not in him anything [for which his reputation is to be wounded, or attacked, or] for which he is to be blamed, censured, or spoken against: (TA in article غمز:) and you say, لَهُ فِيهِ مَطْعَنٌ (assumed tropical:) [He has (meaning he finds) in him something for which his reputation may be wounded, &c.]: plural مَطَاعِنُ. (TA in the present article)