عجم

مُعْجَمٌ ذ [pass. part. n. of 4: and also an inf. n. 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 الاـِعْجَامِ, it being an inf. n., 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.) ― -b2- Also, applied to a door, Locked. (S, K.)