Definition of: shadow

(shad′ō) noun
1. A comparative darkness within an illuminated area caused by the interception of light by an opaque body.
2. The dark figure or image thus produced on a surface and representing the approximate shape of the intercepting body: the shadow of a man.
3. The shaded or dark portion of a picture.
4. A mirrored image: to see one's shadow in a pool.
5. A delusive image or semblance; anything unreal or unsubstantial.
6. A phantom; ghost; shade.
7. A faint representation or indication; a symbol: the shadow of things to come.
8. A remnant; vestige: shadows of his former glory.
9. An insignificant trace or portion: not a shadow of evidence.
10. Archaic Shelter; protection.
11. Gloom; a saddening influence.
12. An inseparable companion.
13. One who trails or follows another, as a detective or spy. See synonyms under IMAGE.
—adjective Of or pertaining to a shadow cabinet.
—v.t.
1. To cast a shadow upon; overspread with shadow; shade.
2. To darken or cloud; make gloomy.
3. To represent or foreshow dimly or vaguely: with forth or out.
4. To follow closely or secretly; spy on.
5. To shade in painting, drawing, etc.
6. Archaic To screen; shelter. [OE sceadwe, genitive and dative of sceadu a shade]
—shad′ow·er noun