slope

An area of ground that tends evenly upward or downward.

The degree to which a surface tends upward or downward.

(mathematics) The ratio of the vertical and horizontal distances between two points on a line; zero if the line is horizontal, undefined if it is vertical.

(mathematics) The slope of the line tangent to a curve at a given point.

The angle a roof surface makes with the horizontal, expressed as a ratio of the units of vertical rise to the units of horizontal length (sometimes referred to as run).

(vulgar, offensive, ethnic slur) A person of Chinese or other East Asian descent.