1. a surface of which one end or side is at a higher level than another; a rising or falling surface.
"he slithered helplessly down the slope"
2. a difference in level or sideways position between the two ends or sides of a thing.
3. a part of the side of a hill or mountain, especially as a place for skiing.
4. the gradient of a graph at any point.
ther are many different meanings to it