مَبْسِمٌ

i. q. ثَغْرٌ (S, K,) meaning The front teeth: (TK:) [and sometimes, perhaps, the mouth:] so called as being the place of التَّبَسُّم [or smiling: plural مَبَاسِمُ]. (TA.) One says, [of women or girls,] هُنَّ غُرُّ المَبَاسِمِ [They are white in the front teeth]. (TA.)