Shading \Shad"ing\, n.

1. Act or process of making a shade.

2. That filling up which represents the effect of more or less darkness, expressing rotundity, projection, etc., in a picture or a drawing.

Source: Webster's Revised Unabridged Dictionary (1913)
 

Shade \Shade\, v. t. [imp. & p. p. Shaded; p. pr. & vb. n. Shading.]

1. To shelter or screen by intercepting the rays of light; to keep off illumination from. --Milton.

I went to crop the sylvan scenes, And shade our altars with their leafy greens. --Dryden.

2. To shelter; to cover from injury; to protect; to screen; to hide; as, to shade one's eyes.

Ere in our own house I do shade my head. --Shak.

3. To obscure; to dim the brightness of.

Thou shad'st The full blaze of thy beams. --Milton.

4. To pain in obscure colors; to darken.

5. To mark with gradations of light or color.

6. To present a shadow or image of; to shadow forth; to represent. [Obs.]

[The goddess] in her person cunningly did shade That part of Justice which is Equity. --Spenser.

Source: Webster's Revised Unabridged Dictionary (1913)