\Bud\, n. [OE. budde; cf. D. bot, G. butze, butz, the core
of a fruit, bud, LG. butte in hagebutte, hainbutte, a hip of
the dog-rose, or OF. boton, F. bouton, bud, button, OF. boter
to bud, push; all akin to E. beat. See {Button}.]
1. (Bot.) A small protuberance on the stem or branches of a
   plant, containing the rudiments of future leaves, flowers,
   or stems; an undeveloped branch or flower.
2. (Biol.) A small protuberance on certain low forms of
   animals and vegetables which develops into a new organism,
   either free or attached. See {Hydra}.
{Bud moth} (Zo["o]l.), a lepidopterous insect of several
   species, which destroys the buds of fruit trees; esp.
   {Tmetocera ocellana} and {Eccopsis malana} on the apple
   tree.

\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.

\Bud\, v. t.
To graft, as a plant with another or into another, by
inserting a bud from the one into an opening in the bark of
the other, in order to raise, upon the budded stock, fruit
different from that which it would naturally bear.
      The apricot and the nectarine may be, and usually are,
      budded upon the peach; the plum and the peach are
      budded on each other.                    --Farm. Dict.