Source : Webster's Revised Unabridged Dictionary (1913)

Sing \Sing\, v. i. [imp. {Sung}or {Sang}; p. p. {Sung}; p. pr. &
   vb. n. {Singing}.] [AS. singan; akin to D. zingen, OS. & OHG.
   singan, G. singen, Icel. syngja, Sw. sjunga, Dan. synge,
   Goth. siggwan, and perhaps to E. say, v.t., or cf. Gr. ???
   voice. Cf. {Singe}, {Song}.]
   1. To utter sounds with musical inflections or melodious
      modulations of voice, as fancy may dictate, or according
      to the notes of a song or tune, or of a given part (as
      alto, tenor, etc.) in a chorus or concerted piece.

            The noise of them that sing do I hear. --Ex. xxxii.
                                                  18.

   2. To utter sweet melodious sounds, as birds do.

            On every bough the briddes heard I sing. --Chaucer.

            Singing birds, in silver cages hung.  --Dryden.

   3. To make a small, shrill sound; as, the air sings in
      passing through a crevice.

            O'er his head the flying spear Sang innocent, and
            spent its force in air.               --Pope.

   4. To tell or relate something in numbers or verse; to
      celebrate something in poetry. --Milton.

            Bid her . . . sing Of human hope by cross event
            destroyed.                            --Prior.

Sing \Sing\, v. i. [imp. {Sung}or {Sang}; p. p. {Sung}; p. pr. &
   vb. n. {Singing}.] [AS. singan; akin to D. zingen, OS. & OHG.
   singan, G. singen, Icel. syngja, Sw. sjunga, Dan. synge,
   Goth. siggwan, and perhaps to E. say, v.t., or cf. Gr. ???
   voice. Cf. {Singe}, {Song}.]
   1. To utter sounds with musical inflections or melodious
      modulations of voice, as fancy may dictate, or according
      to the notes of a song or tune, or of a given part (as
      alto, tenor, etc.) in a chorus or concerted piece.

            The noise of them that sing do I hear. --Ex. xxxii.
                                                  18.

   2. To utter sweet melodious sounds, as birds do.

            On every bough the briddes heard I sing. --Chaucer.

            Singing birds, in silver cages hung.  --Dryden.

   3. To make a small, shrill sound; as, the air sings in
      passing through a crevice.

            O'er his head the flying spear Sang innocent, and
            spent its force in air.               --Pope.

   4. To tell or relate something in numbers or verse; to
      celebrate something in poetry. --Milton.

            Bid her . . . sing Of human hope by cross event
            destroyed.                            --Prior.

Sung \Sung\,
   imp. & p. p. of {Sing}.

Source : WordNet®

Sung
     n : the imperial dynasty of China from 960 to 1279; noted for
         art and literature and philosophy [syn: {Sung dynasty}, {Song},
          {Song dynasty}]