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RM (plural RMs)

  1. (now historical) Initialism of reichsmark. [from 19th c.]
  2. Initialism of Resident Magistrate. [from 19th c.]
  3. (now historical) Initialism of Roman month.
    • 2016, Peter H. Wilson, The Holy Roman Empire, Penguin 2017, p. 452:
      Official demands on the archbishopric of Salzburg totalled 1,137 RMs across 1635–48, of which 1,334,420 florins or 64 per cent was paid.
  4. (typography) Initialism of right margin.
  5. (Mormonism) Initialism of returned missionary.
  6. (military) Initialism of radio material.
  7. (religion) Initialism of religious movement.

Proper noun[edit]


  1. (Britain) Initialism of Royal Marines. [from 20th c.]
  2. (Britain) Initialism of Royal Mail.
  3. Initialism of Research Machines.
  4. Initialism of Republic of Macedonia.


RM (third-person singular simple present RMs, present participle RMing, simple past and past participle RMed)

  1. (Unix, especially lowercase) to remove