Definitions from Wiktionary (RD)

▸ noun:  Abbreviation of road. [A way used for travelling between places, originally one wide enough to allow foot passengers and horses to travel, now (US) usually one surfaced with asphalt or concrete and designed to accommodate many vehicles travelling in both directions. In the UK both senses are heard: a country road is the same as a country lane.]
▸ noun:  Abbreviation of rad (“unit of measure”). [(metrology) A non-SI unit of absorbed dose of radiation, equal to 0.01 gray.]
▸ noun:  (knitting, firearms) Abbreviation of round. [A circular or spherical object or part of an object.]
▸ noun:  (astronomy) Initialism of red dwarf. [(astronomy) A small, relatively cool star of the main sequence.]
▸ noun:  (US) Initialism of restricted data.
▸ noun:  (US, uncountable) Initialism of rural delivery, formerly used when addressing mail.
▸ noun:  (professional title) Initialism of registered dietitian.
▸ noun:  (sports) Abbreviation of right defence/defense: the right wing player defensive position
▸ noun:  (US, law enforcement) Initialism of reporting district.





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