Source : Webster's Revised Unabridged Dictionary (1913)

Swing \Swing\, v. i. [imp. & p. p. {Swung}; Archaic imp.
   {Swang}; p. pr. & vb. n. {Swinging}.] [OE. swingen, AS.
   swingan to scourge, to fly, to flutter; akin to G. schwingen
   to winnow, to swingle, oscillate, sich schwingen to leap, to
   soar, OHG. swingan to throw, to scourge, to soar, Sw. svinga
   to swing, to whirl, Dan. svinge. Cf. {Swagger}, {Sway},
   {Swinge}, {Swink}.]
   1. To move to and fro, as a body suspended in the air; to
      wave; to vibrate; to oscillate.

            I tried if a pendulum would swing faster, or
            continue swinging longer, in case of exsuction of
            the air.                              --Boyle.

   2. To sway or move from one side or direction to another; as,
      the door swung open.

   3. To use a swing; as, a boy swings for exercise or pleasure.
      See {Swing}, n., 3.

   4. (Naut.) To turn round by action of wind or tide when at
      anchor; as, a ship swings with the tide.

   5. To be hanged. [Colloq.] --D. Webster.

   {To swing round the circle}, to make a complete circuit.
      [Colloq.]

            He had swung round the circle of theories and
            systems in which his age abounded, without finding
            relief.                               --A. V. G.
                                                  Allen.

Source : WordNet®

swinging
     n : changing location by moving back and forth [syn: {swing}, {vacillation}]

swinging
     adj : characterized by a buoyant rhythm; "an easy lilting stride";
           "the flute broke into a light lilting air"; "a swinging
           pace"; "a graceful swingy walk"; "a tripping singing
           measure" [syn: {lilting}, {swingy}, {tripping}]