There are 2 definitions of Rd in English:

Rd1

Syllabification: Rd

abbreviation

Road (used in street names).

Definition of Rd in:

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Word of the day humoresque
Pronunciation: ˌhjuːməˈrɛsk
noun
a short, lively piece of music

There are 2 definitions of Rd in English:

RD2

Line breaks: RD

Entry from British & World English dictionary

abbreviation

1British Refer to drawer (used by banks when suspending payment of a cheque).
1.1(In the UK) Royal Naval Reserve Decoration.

Definition of Rd in: