لمظ

مُتَلَمَّظٌ ذ The part of the face by which smiling is expressed; syn. مُتَبَسَّمٌ. (K. TA) [in the CK, erroneously, مُتَبَسِّم.]) You say, اـِنَّهُ لَحَسَنُ المُتَلَمَّظِ [ Verily he is goodly in respect of the part of the face by which smiling is expressed ]. (TA.)