عرف

مَعْرُوفٌ ذ [ Known: and particularly well, or commonly, known ]. أَمْرٌ مَعْرُوفٌ and ↓ عَارِفٌ, (O, Msb, K, TA,) accord. to Lth, but the latter is disapproved by Az, having not been heard by him on any other authority than that of Lth, (O, TA,) [though there are other similar instances well known, (see أَمْرٌ, and دَافِقٌ,)] signify the same [i. e. A known affair or event &c.]; (O, Msb, K, TA;) as also ↓ عَرِيفٌ. (Msb, TA,) ― -b2- [Hence, in grammar, The active voice; opposed to مَجْهُولٌ.] ― -b3- See also عُرْفٌ, former half, in seven places. -A2- أَرْضٌ مَعْرُوفَهٌ Land having a fragrant عَرْف [or odour ]. (TA.) -A3- رَجُلٌ مَعْرُوفٌ A man having a purulent pustule, termed عَرْفَة, come forth in the whiteness [or palm ] of his hand. (S.)