- The letter m. (noun)
- Printing The width of a square or nearly square piece of type, used as a unit of measure for matter set in that size of type. (noun)
- Printing Such a measure for 12-point type; a pica. (noun)
- The square of a body of any size of type, used as a unit of measurement (noun)
American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
- A unit of measurement used in printing, equal to one sixth of an inch (noun)
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