a representation of the effect of shadows in a picture or drawing (as by shading or darker pigment)(noun.artifact)
source: wordnet30
Comparative obscurity owing to interception or interruption of the rays of light; partial darkness caused by the intervention of something between the space contemplated and the source of light.(noun)
Example: Shade your eyes when you step out into the bright sunlight.
source: wordnet30
vary slightly(verb.change)
Example: Shade the meaning.
source: wordnet30
pass from one quality such as color to another by a slight degree(verb.change)
Example: The butterfly wings shade to yellow.
source: wordnet30
To shelter or screen by intercepting the rays of light; to keep off illumination from.(verb)
source: webster1913
To undergo or exhibit minute difference or variation, as of color, meaning, expression, etc.; to pass by slight changes; -- used chiefly with a preposition, as into, away, off.(verb)