Source : Webster's Revised Unabridged Dictionary (1913)

Bud \Bud\, v. i. [imp. & p. p. {Budded}; p. pr. & vb. n.
   {Budding}.]
   1. To put forth or produce buds, as a plant; to grow, as a
      bud does, into a flower or shoot.

   2. To begin to grow, or to issue from a stock in the manner
      of a bud, as a horn.

   3. To be like a bud in respect to youth and freshness, or
      growth and promise; as, a budding virgin. --Shak.

   Syn: To sprout; germinate; blossom.

Source : WordNet®

bud
     n 1: a partially opened flower
     2: a swelling on a plant stem consisting of overlapping
        immature leaves or petals
     [also: {budding}, {budded}]

bud
     v 1: develop buds; "The hibiscus is budding!"
     2: start to grow or develop; "a budding friendship"
     [also: {budding}, {budded}]

budded
     See {bud}