Definitions containing the term tread down

What does tread down mean?

DU	Down Under Regional » Australian
KD	Knock Down Community » Sports
DWN	Down Miscellaneous » Unclassified
NDSS	National Down Syndrome Society Community » Non-Profit Organizations
BDP	Boogie Down Productions Business » Firms
DUMBO	Down Under the Manhattan Bridge Overpass Community
WDV	Written Down Value Business » Accounting
NDSC	National Down Syndrome Congress Community » Non-Profit Organizations
WGD	White Goose Down Miscellaneous » Clothes
DADS	Dads Appreciating Down Syndrome Miscellaneous » Unclassified
WDU	Weather Down Under Business » Firms
WDU	Weather Down Under Academic & Science » Meteorology
DITB	Down In The Basement Academic & Science » Architecture
RRED	Right Reading Emulsion Down Computing » General
DUFF	Down Under Fan Fund Community » Sports
ADIO	Above Down Inside Out Business » Products
PART	Pressure Alignment Rotation And Tread Governmental » Transportation
DITV	Down In The Valley Business » Firms
ICMD	Initiate Core Melt Down Computing » Assembly
BBPCT	Blocking, Bracing, Packing, Crating, and Tie-down Governmental » Military
WTUD	The World Turned Upside Down Community » Media
NADU	North Arkansas Down Under Community » Sports
QGW	Does my landing gear appear to be down and in place? Academic & Science » Amateur Radio
MMAXC	Maximum Corrective Maintenance Down-Time Governmental » Military
LKD	Left Knuckles Down Community » Sports