Source : Webster's Revised Unabridged Dictionary (1913)

Shadow \Shad"ow\ (sh[a^]d"[-o]), n. [Originally the same word as
   shade. [root]162. See {Shade}.]
   1. Shade within defined limits; obscurity or deprivation of
      light, apparent on a surface, and representing the form of
      the body which intercepts the rays of light; as, the
      shadow of a man, of a tree, or of a tower. See the Note
      under {Shade}, n., 1.

   2. Darkness; shade; obscurity.

            Night's sable shadows from the ocean rise. --Denham.

   3. A shaded place; shelter; protection; security.

            In secret shadow from the sunny ray, On a sweet bed
            of lilies softly laid.                --Spenser.

   4. A reflected image, as in a mirror or in water. --Shak.

   5. That which follows or attends a person or thing like a
      shadow; an inseparable companion; hence, an obsequious
      follower.

            Sin and her shadow Death.             --Milton.

   6. A spirit; a ghost; a shade; a phantom. ``Hence, horrible
      shadow!'' --Shak.

   7. An imperfect and faint representation; adumbration;
      indistinct image; dim bodying forth; hence, mystical
      representation; type.

            The law having a shadow of good things to come.
                                                  --Heb. x. 1.

            [Types] and shadows of that destined seed. --Milton.

   8. A small degree; a shade. ``No variableness, neither shadow
      of turning.'' --James i. 17.

   9. An uninvited guest coming with one who is invited. [A
      Latinism] --Nares.

            I must not have my board pastered with shadows That
            under other men's protection break in Without
            invitement.                           --Massinger.

   {Shadow of death}, darkness or gloom like that caused by the
      presence or the impending of death. --Ps. xxiii. 4.