Available Definitions:
1) n. - 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.
2) n. - Darkness; obscurity; -- often in the plural.
3) n. - An obscure place; a spot not exposed to light; hence, a secluded retreat.
4) n. - That which intercepts, or shelters from, light or the direct rays of the sun; hence, also, that which protects from heat or currents of air; a screen; protection; shelter; cover; as, a lamp shade.
5) n. - Shadow.
6) n. - The soul after its separation from the body; -- so called because the ancients it to be perceptible to the sight, though not to the touch; a spirit; a ghost; as, the shades of departed heroes.
7) n. - The darker portion of a picture; a less illuminated part. See Def . 1, above.
8) n. - Degree or variation of color, as darker or lighter, stronger or paler; as, a delicate shade of pink.
9) n. - A minute difference or variation, as of thought, belief, expression, etc.; also, the quality or degree of anything which is distinguished from others similar by slight differences; as, the shades of meaning in synonyms.
10) v. t. - To shelter or screen by intercepting the rays of light; to keep off illumination from.
11) v. t. - To shelter; to cover from injury; to protect; to screen; to hide; as, to shade one's eyes.
12) v. t. - To obscure; to dim the brightness of.
13) v. t. - To pain in obscure colors; to darken.
14) v. t. - To mark with gradations of light or color.
15) v. t. - To present a shadow or image of; to shadow forth; to represent.