What does RDW stand for?

What does RDW mean?

RDW	Read Directories Write Miscellaneous » Unclassified
RDW	Real Dirty Wrestler Community » Sports
RDW	Real Dogs Work Governmental » US Government
RDW	Recht Der Wirtschaft Medical » Laboratory
RDW	Red cell Distribution Width Medical » Laboratory
RDW	Red Deck Wins Miscellaneous » Unclassified
RDW	Redrow Business » London Stock Exchange
RDW	Reference Divider Word Computing » Assembly
RDW	Response Data Word Governmental » NASA
RDW	Resume Deluxe Writer Computing » Software
RDW	Return Data Words Governmental » NASA
RDW	Rocking Da Web Internet