r

(law) The Crown, the government of a monarchy.

(US politics) Abbreviation of Republican, especially preceding the constituent location. [(US politics) A member or supporter of the Republican Party, the more right-wing of the two main political parties in the United States.]

Symbol for reverse (“gear setting”). [The opposite of something.]

(geometry) Symbol for radius. [(anatomy) The long bone in the forearm, on the side of the thumb.]

(handbells) Abbreviation of ring. [(physical) A solid object in the shape of a circle.]

(chess) Abbreviation of rook. [A European bird, Corvus frugilegus, of the crow family.]

(baseball, cricket) Abbreviation of run(s); the statistic reporting the number of runs scored by a player.

(monarchy) Abbreviation of Rex (“King”) or Regina (“Queen”), the initial by which a British monarch signs documents after his or her name. [(formal, usually italicized) The reigning king.]

(especially in university catalogs) Abbreviation of Thursday. [The fifth day of the week in many religious traditions, and the fourth day of the week in systems using the ISO 8601 norm; it follows Wednesday and precedes Friday.]

(Philippines) Abbreviation of region, in the sense of the regions of the Philippines. [Any considerable and connected part of a space or surface; specifically, a tract of land or sea of considerable but indefinite extent; a country; a district; in a broad sense, a place without special reference to location or extent but viewed as an entity for geographical, social or cultural reasons.]

(religion) Abbreviation of Redactor(s) in the context of the documentary hypothesis, referring to a compiler and editor of the Torah.

(Internet slang, text messaging) Abbreviation of are.

Abbreviation of reverse. [Opposite, contrary; going in the opposite direction.]

Abbreviation of right (as opposed to left). [Designating the side of the body which is positioned to the east if one is facing north, the side on which the heart is not located in most humans. This arrow points to the reader's right: →]

(film certification) Abbreviation of restricted. [Limited within bounds.]