/di gresh"euhn/ , n.
1. a downward movement; descent.
2. the decrease in rate in degressive taxation.
[ 1375-1425; late ME degression- (s. of degressio ) descent, equiv. to L degred- (s. of degredi to go down, descend; de- DE- + -gredi, comb. form of gradi to step, walk) + -tion- -TION ]