مُعْجَمٌ
1.
[pass. particle n. of 4: and also a verbal noun of that verb]. حُرُوفُ المُعْجَمِ, an appellation of The letters of the alphabet (الحُرُوف المُقَطَّعَة) [of the language of the Arabs], most of which are distinguished by being dotted from the letters of other peoples, means حُرُوفُ الخَطِّ المُعْجَمِ [the letters of the dotted character]: (S:) or by المُعْجَمِ is meant الإِعْجَامِ, it being a verbal noun, like المُدْخَل (S, K) and المُخْرَج, (S,) so that the meaning of حُرُوفُ المُعْجَمِ is [the letters] of which a property is the being dotted: (S, K:) of which explanations, the latter is held by Mbr and IB and others to be the more correct. (L, TA.)