r

Letter (1)

1. (letter, lowercase) The eighteenth letter of the English alphabet, called ar and written in the Latin script.
   • Except for their short, clipped accent and a certain funny some thing that they did, or rather did not do, to their r’s, they might have been born and bred on Pine Street.1930, Margaret Ayer Barnes, Years of Grace, Part II, Chapter IV, page 210

Numeral (1)

1. (lowercase) The eighteenth numeral symbol of the English alphabet, called ar and written in the Latin script.

Letter (2) capitalized: R

1. (letter, uppercase) The eighteenth letter of the English alphabet, called ar and written in the Latin script.

Numeral (2) capitalized: R

1. (uppercase) The eighteenth numeral symbol of the English alphabet, called ar and written in the Latin script.

Noun capitalized: R

R

1. (symbol) Symbol for reverse (“gear setting”).
2. (symbol) Symbol for radius.
3. (US, abbreviation) Abbreviation of Republican, especially preceding the constituent location.
   • R-Texas
4. (abbreviation) Abbreviation of Rex (“King”) or Regina (“Queen”), the initial by which a British monarch signs documents after his or her name.
   1. The Crown, the government of a monarchy.
      • The English case of R v R [1992] AC 599 ruled that rape can be committed by a husband against his wife.
5. (abbreviation) Abbreviation of ring.
6. (abbreviation) Abbreviation of rook.
   • 1.e4 e5 2. Nf3 Nf6 3. d4 exd4 4. e5 Ne4 5. Qxd4 d5 6. exd6 e.p. Nxd6 7. Bg5 Nc6 8. Qe3+ Be7 9. Nbd2 0-0 10. 0-0-0 Re8 11. Kb1 (=)2022, “2023 Laws of Chess”, in FIDE, page 23
   • The correct answer is 1.Rxf6 Rxf6 2.Rf1 Raf8 3.Qg5 Kg7 4.Nh5+
     Other sub-variations work, such as playing 2.Qg5 then 3.Rf1 or playing 4.Bxf6+ first before playing 5.Nh5+.2023 August 12, GM Noël Studer, “Mastering Chess Puzzles: The Comprehensive Guide to Effective Problem Solving”, in Next Level Chess
7. (abbreviation) Abbreviation of run(s); the statistic reporting the number of runs scored by a player.
8. (abbreviation, especially) Abbreviation of Thursday.
   • Lecs, T R 9:05; lab, M T W R or F 1:25—4:25, or M or W 7:30—10:30 p.m.1986, Cornell University Courses of Study, page 250
   • 8:30 MWF (3 x 1 hour) […] 8:30-10 TR (2 x 1.5 hours)2000 August, M.W. Carter, “A Comprehensive Course Timetabling and Student Scheduling System at the University of Waterloo”, in Edmund Burke, Wilhelm Erben, editors, Practice and Theory of Automated...
9. (Philippines, abbreviation) Abbreviation of region, in the sense of the regions of the Philippines.
10. (abbreviation, rhythmic gymnastics) Abbreviation of rotation.

Adjective capitalized: R

R

1. (abbreviation, film certification) Abbreviation of restricted.
2. (abbreviation) Abbreviation of reverse.
3. (abbreviation) Abbreviation of right (as opposed to left).

Proper noun capitalized: R

R

1. (abbreviation) Abbreviation of Redactor(s) in the context of the documentary hypothesis, referring to a compiler and editor of the Torah.
   • One needs to be careful, however, to distinguish between original P and the work of the later priestly Redactor (R), who edited P and other documents in the postexilic period.2006, David Ringo Miano, Shadow on the steps (dissertation), UC San Diego, page 5
2. A programming language for statistics and data visualization.

Pronoun capitalized: R

R

1. (England, informal, nonstandard, pronunciation-spelling) Eye dialect spelling of I.