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RN.

Initialism of Royal Navy.

2 characters1 syllables approx.English language

Meaning & usage

name

  1. Initialism of Royal Navy.

    UK · abbreviation · alt-of · initialism
    John Richards, RN, was a guest at the inn last night.

  2. Richard Nixon, the 37th U.S. president (1913-1994, served 1969-1974).

Where this word comes from

Abbreviation.

name

  1. Initialism of Rio Grande do Norte: a state of Brazil.

    abbreviation · alt-of · initialism
Where this word comes from

Borrowed from other languages: * (Brazil): From Portuguese RN, from Rio Grande do Norte, from rio+norte. * (Italy): From Italian RN, from Regia Nave, from regia (“royal”)+nave (“ship”).

noun

  1. Abbreviation of Royal Italian ship, used as a ship prefix.

    abbreviation · alt-of · historical · initialism · uncountable
Where this word comes from

Borrowed from other languages: * (Brazil): From Portuguese RN, from Rio Grande do Norte, from rio+norte. * (Italy): From Italian RN, from Regia Nave, from regia (“royal”)+nave (“ship”).

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Definitions, grammatical labels, IPA, etymology and examples: Wiktionary contributors, extracted by Kaikki / Wiktextract. Adapted under CC BY-SA 4.0. Selected fields and authored examples are shown; third-party quotations and audio are omitted. See contributor history.

Last enriched 2026-09-10. Definitions are in English. Romanizations are shown when supplied by the source; syllable estimates are omitted for unsupported scripts.