Source : Webster's Revised Unabridged Dictionary (1913)

Bubble \Bub"ble\, v. i. [imp. & p. p. {Bubbled}; p. pr. & vb. n.
   {Bubbling}.] [Cf. D. bobbelen, Dan. boble. See {Bubble}, n.]
   1. To rise in bubbles, as liquids when boiling or agitated;
      to contain bubbles.

            The milk that bubbled in the pail.    --Tennyson.

   2. To run with a gurgling noise, as if forming bubbles; as, a
      bubbling stream. --Pope.

   3. To sing with a gurgling or warbling sound.

            At mine ear Bubbled the nightingale and heeded not.
                                                  --Tennyson.