Definition of ns:
(n) :
(rail transport) Norfolk Southern (Railroad)
(adj) :
negative-strand
(adj) :
National Socialist
(n) :
Initialism of Nova Scotia: a province of Canada. [A province in eastern Canada. Capital: Halifax.]
(n) :
Initialism of Noble Sanctuary. [(Islam) The Temple Mount, when viewed as an Islamic holy site (specifically, the third holiest site).]
(n) :
(rail transport) Initialism of Nederlandse Spoorwegen (“Dutch Railways”).