What is the meaning of the word "m"?

Definitions:

  1. Roman numeral 1000. copy to clipboard NOUN
    • 'M' represents the number 1000. copy to clipboard
  2. The 13th letter of the English alphabet. copy to clipboard NOUN
  3. The standard abbreviation for 'meter' in the International System of Units. copy to clipboard NOUN
    • The island is only 200m wide at its narrowest point. copy to clipboard

Synonyms: