1. NYSD - Noun
2. NYSD - Proper noun
(US, law) Initialism of New York Southern District.; the United States District Court for the Southern District of New York.
Synonym: SDNY
(UK, sports) Abbreviation of North Yorkshire and South Durham.. A cricket league, the North Yorkshire and South Durham Cricket League in England, UK.
NYSD (plural NYSDs)
(US politics) Initialism of New York State senate district.; An electoral district in the New York State Senate, for the state senate of the State of New York.