Source : Webster's Revised Unabridged Dictionary (1913)

New \New\, a. [Compar. {Newer}; superl. {Newest}.] [OE. OE.
   newe, AS. niwe, neowe; akin to D. nieuw, OS. niwi, OHG.
   niuwi, G. neu, Icel. n?r, Dan. & Sw. ny, Goth. niujis, Lith.
   naujas, Russ. novuii, Ir. nua, nuadh, Gael. nuadh, W. newydd,
   Armor. nevez, L. novus, gr. ?, Skr. nava, and prob. to E.
   now. [root]263. See {Now}, and cf. {Announce}, {Innovate},
   {Neophyte}, {Novel}.]
   1. Having existed, or having been made, but a short time;
      having originated or occured lately; having recently come
      into existence, or into one's possession; not early or
      long in being; of late origin; recent; fresh; modern; --
      opposed to {old}, as, a new coat; a new house; a new book;
      a new fashion. ``Your new wife.'' --Chaucer.

   2. Not before seen or known, although existing before; lately
      manifested; recently discovered; as, a new metal; a new
      planet; new scenes.

   3. Newly beginning or recurring; starting anew; now
      commencing; different from has been; as, a new year; a new
      course or direction.

   4. As if lately begun or made; having the state or quality of
      original freshness; also, changed for the better;
      renovated; unworn; untried; unspent; as, rest and travel
      made him a new man.

            Steadfasty purposing to lead a new life. --Bk. of
                                                  Com. Prayer.

            Men after long emaciating diets, fat, and almost
            new.                                  --Bacon.

   5. Not of ancient extraction, or of a family of ancient
      descent; not previously kniwn or famous. --Addison.

   6. Not habituated; not familiar; unaccustomed.

            New to the plow, unpracticed in the trace. --Pope.

   7. Fresh from anything; newly come.

            New from her sickness to that northern air.
                                                  --Dryden.

   {New birth}. See under {Birth}.

   {New Church}, or {New Jerusalem Church}, the church holding
      the doctrines taught by Emanuel Swedenborg. See
      {Swedenborgian}.

   {New heart} (Theol.), a heart or character changed by the
      power of God, so as to be governed by new and holy
      motives.

   {New land}, land ckeared and cultivated for the first time.
      

   {New light}. (Zo["o]l.) See {Crappie}.

   {New moon}.
      (a) The moon in its first quarter, or when it first
          appears after being invisible.
      (b) The day when the new moon is first seen; the first day
          of the lunar month, which was a holy day among the
          Jews. --2 Kings iv. 23.

   {New Red Sandstone} (Geol.), an old name for the formation
      immediately above the coal measures or strata, now divided
      into the Permian and Trias. See {Sandstone}.

   {New style}. See {Style}.

   {New testament}. See under {Testament}.

   {New world}, the land of the Western Hemisphere; -- so called
      because not known to the inhabitants of the Eastern
      Hemisphere until recent times.

   Syn: Novel; recent; fresh; modern. See {Novel}.

Source : WordNet®

new moon
     n : the time at which the moon appears as a narrow waxing
         crescent [syn: {new phase of the moon}]