noun / verb
ramp
RAMP/ræmp/
A sloping surface connecting different levels, or using one to provide access.
The ramp slopes gently from the pavement to the raised entrance.

Etymology
Ramper meant “to climb,” and the related noun named a slope. The connection is practical: a ramp supplies an inclined surface along which someone or something can move between levels.
In context
A common example is the inclined plane. In this scenario, we can examine a block sliding down a ramp.