R.

adj, name, noun, verb

adj, name, noun, verb ·Rare ·Advanced level

Definitions

Noun
  1. 1
    Abbreviation of rule. abbreviation, alt-of
  2. 2
    Abbreviation of ruble. abbreviation, alt-of

    "The paper-money in circulation is inconvertible, but has a forced currency. The notes represent 100 rubles; 50 rs., 25 rs., 10 rs., 5 rs., 3 rs., and 1 ruble, and are plainly stamped with their value."

  3. 3
    Abbreviation of river. abbreviation, alt-of
Verb
  1. 1
    Ruled, reigned, used to show that provided dates are the period of a ruler's authority rather than their birth and death.

    "Byzantine emperor Manuel I Komnenos (r. 1143–1180)"

Adjective
  1. 1
    Abbreviation of rare. abbreviation, alt-of
  2. 2
    Abbreviation of revision. abbreviation, alt-of
  3. 3
    Abbreviation of royal. abbreviation, alt-of

    "Mon. Not. R. Astron. Soc."

  4. 4
    Abbreviation of right. abbreviation, alt-of

    "r. com. car. a."

Proper Noun
  1. 1
    Abbreviation of Regina (“the queen”). abbreviation, alt-of
  2. 2
    Abbreviation of Rex (“the king”). abbreviation, alt-of
  3. 3
    Abbreviation of Rabbi. abbreviation, alt-of

    "R. Meir ben Simeon of Narbonne sharply criticized both the polytheistic implications of the Kabbalistic doctrine of prayers to varied divine manifestations and specific books containing Kabbalistic ideas."

Example

More examples

"Byzantine emperor Manuel I Komnenos (r. 1143–1180)"

Etymology

Etymology 1

Originally from Latin r., abbreviating Latin rēgnāvit (“[he/she/it] ruled”), the third-person singular perfect active indicative of rēgnāre (“to rule, to reign”). Now often parsed as an abbreviation of English ruled or reigned.

Etymology 2

Abbreviations.

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.