( 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.
( 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.
Webster's Revised Unabridged English Dictionary. Пересмотренный полный словарь английского языка Webster. 2012