em /noun/ एम; उनको; एक पंक्ति की मुद्रित सामग्री को नापने की इकाई; अंग्रजी वर्णमाला का तेरहवां वर्ण;
English Dictionary:
1. Em [n.]
- The portion of a line formerly occupied by the letter m, then a
square type, used as a unit by which to measure the amount of printed
matter on a page; the square of the body of a type.