stoss
adjective
ˈstäs 
ˈstȯs,
ˈstōs,
ˈshtōs
: facing toward the direction from which an overriding glacier impinges
the stoss slope of a hill
Word History
Etymology
German stoss-, from stossen to push, from Old High German stōzen; akin to Goth stautan to strike — more at contusion
First Known Use
1878, in the meaning defined above