rake 3 
(rāk)
(rāk)intr. & tr.v. raked, rak·ing, rakes
To slant or cause to incline from the perpendicular: propeller blades that rake backward from the shaft; rake a ship's mast.
n.
1. Inclination from the perpendicular: the rake of a jet plane's wings.
2. The angle between the cutting edge of a tool and a plane perpendicular to the working surface to which the tool is applied.
3.
a. The angle at which a roof is inclined.
b. The inclined edge of a pitched roof or the roof of a gable or dormer.
[Origin unknown.]