noun
free government delivery of mail in outlying country areas
• Syn: ↑RFD
• Hypernyms: ↑mail, ↑mail service, ↑postal service, ↑post
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noun also rural delivery : the free delivery of mail by the United States postal service usually from the nearest post office having carrier service to a rural area not served directly by a post office or having only a small post office without carriers — abbr. RFD, RD
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former name for rural delivery service. Abbr.: R.F.D.
[1890-95, Amer.]
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rural free delivery or rural delivery,
the free delivery of mail in country districts by regular carriers. Abbr: R.F.D., R.D.
Useful english dictionary. 2012.