I. ˈem noun
( plural m's or ms ˈemz)
Usage: often capitalized, often attributive
Date: before 12th century
1.
a. : the 13th letter of the English alphabet
b. : a graphic representation of this letter
c. : a speech counterpart of orthographic m
2. : one thousand — see number table
3. : a graphic device for reproducing the letter m
4. : one designated m especially as the 13th in order or class
5. : something shaped like the letter M
6.
a. : em 2
b. : pica 2
II. abbreviation
1. male
2. manual
3. married
4. martyr
5. masculine
6. mass
7. measure
8. meridian
9.
[Latin meridies ]
noon
10. meter
11. middle
12. mile
13.
[Latin mille ]
thousand
14. milli-
15. minute
16. molal; molality
17. mole
18. month
19. moon
20. morning
21. muscle