Source : Webster's Revised Unabridged Dictionary (1913)

Morning \Morn"ing\, a.
   Pertaining to the first part or early part of the day; being
   in the early part of the day; as, morning dew; morning light;
   morning service.

         She looks as clear As morning roses newly washed with
         dew.                                     --Shak.

   {Morning gown}, a gown worn in the morning before one is
      dressed for the day.

   {Morning gun}, a gun fired at the first stroke of reveille at
      military posts.

   {Morning sickness} (Med.), nausea and vomiting, usually
      occurring in the morning; -- a common sign of pregnancy.
      

   {Morning star}.
   (a) Any one of the planets (Venus, Jupiter, Mars, or Saturn)
       when it precedes the sun in rising, esp. Venus. Cf.
       {Evening star}, {Evening}.
   (b) Satan. See {Lucifer}.

             Since he miscalled the morning star, Nor man nor
             fiend hath fallen so far.            --Byron.
   (c) A weapon consisting of a heavy ball set with spikes,
       either attached to a staff or suspended from one by a
       chain.

   {Morning watch} (Naut.), the watch between four A. M. and
      eight A. M..

Source : WordNet®

morning
     adj : in the morning; "the morning hours" [syn: {morning(a)}]

morning
     n 1: the time period between dawn and noon; "I spent the morning
          running errands" [syn: {morn}, {morning time}, {forenoon}]
     2: a conventional expression of greeting or farewell [syn: {good
        morning}]
     3: the first light of day; "we got up before dawn"; "they
        talked until morning" [syn: {dawn}, {dawning}, {aurora}, {first
        light}, {daybreak}, {break of day}, {break of the day}, {dayspring},
         {sunrise}, {sunup}, {cockcrow}] [ant: {sunset}]
     4: the earliest period; "the dawn of civilization"; "the
        morning of the world" [syn: {dawn}]