Source : Webster's Revised Unabridged Dictionary (1913)

Flower \Flow"er\, v. i. [imp. & p. p. {Flowered}; p. pr. & vb.
   n. {Flowering}.] [From the noun. Cf. {Flourish}.]
   1. To blossom; to bloom; to expand the petals, as a plant; to
      produce flowers; as, this plant flowers in June.

   2. To come into the finest or fairest condition.

            Their lusty and flowering age.        --Robynson
                                                  (More's
                                                  Utopia).

            When flowered my youthful spring.     --Spenser.

   3. To froth; to ferment gently, as new beer.

            That beer did flower a little.        --Bacon.

   4. To come off as flowers by sublimation. [Obs.]

            Observations which have flowered off. --Milton.

Flowering \Flow"er*ing\, a. (Bot.)
   Having conspicuous flowers; -- used as an epithet with many
   names of plants; as, flowering ash; flowering dogwood;
   flowering almond, etc.

   {Flowering fern}, a genus of showy ferns ({Osmunda}), with
      conspicuous bivalvular sporangia. They usually grow in wet
      places.

   {Flowering plants}, plants which have stamens and pistils,
      and produce true seeds; phenogamous plants; --
      distinguished from {flowerless plants}.

   {Flowering rush}, a European rushlike plant ({Butomus
      umbellatus}), with an umbel of rosy blossoms.

Flowering \Flow"er*ing\, n.
   1. The act of blossoming, or the season when plants blossom;
      florification.

   2. The act of adorning with flowers.

Source : WordNet®

flowering
     adj : bursting into flower; "flowering spring trees" [syn: {abloom},
            {efflorescent}]

flowering
     n 1: the time and process of budding and unfolding of blossoms
          [syn: {blossoming}, {florescence}, {inflorescence}, {anthesis},
           {efflorescence}]
     2: a developmental process; "the flowering of ante-bellum
        culture" [syn: {unfolding}]