Slant, v. i. [imp. & p. p. Slanted; p. pr. & vb. n. Slanting.]
Etymology: [OE. slenten to slope, slide; cf. Sw. slinta to slide.]
To be turned or inclined from a right line or level; to lie obliquely; to slope. On the side of younder slanting hill. Dodsley.
3 other Webster entries under this spelling
Slant, v. t.
To turn from a direct line; to give an oblique or sloping direction to; as, to slant a line.
Slant, n.
1. A slanting direction or plane; a slope; as, it lies on a slant.
2. An oblique reflection or gibe; a sarcastic remark. Slant or wind, a local variation of the wind from its general direction.
Slant, a.
Inclined from a direct line, whether horizontal or perpendicular; sloping; oblique. "The slant lightning." Milton.
Shades of meaning
Fernald has no entry of its own for slant; he lists it under tip.
Where he writes about it:
Slant and slope are said of things somewhat fixed or permanent in a position out of the horizontal or perpendicular; the roof slants, the hill slopes. — from tip
Incline is a more formal word for tip, and also for slant or slope. — from tip