[red-letter day] {n. phr.} A holiday; memorable day (usually printed in […]

[red-light district] {n. phr.} A district of brothels or where prostitutes […]

[redcap] {n.} A porter at an airport or at a railroad […]

[regular guy] or [regular fellow] {n.}, {informal} A friendly person who […]

[rest room] {n.} A room or series of rooms in a […]

[rhyme or reason] {n. phr.} A good plan or reason; a […]

[right field] {n.} The part of a baseball outfield to the […]

[ringleader] {n. phr.} The chief of an unsavory group; a higher-up. […]

[rip-off] {n.}, {slang} (Stress on "rip") An act of stealing or […]

[road gang] {n.} A group of men who work at road […]