1. [noun] A musical composition with lyrics for voice or voices, performed by singing.
2. [noun] (by extension) Any musical composition.
3. [noun] Poetical composition; poetry; verse.
4. [noun] The act or art of singing.
5. [noun] A melodious sound made by a bird, insect, whale or other animal.
6. [noun] Something that cost only a little; chiefly in for a song.
7. [noun] An object of derision; a laughing stock.
8. [noun] A short musical composition with words; 'a successful musical must have at least three good songs'.
9. [noun] A distinctive or characteristic sound; 'the song of bullets was in the air'; 'the song of the wind'; 'the wheels sang their song as the train rocketed ahead'.
10. [noun] The act of singing; 'with a shout and a song they marched up to the gates'.
11. [noun] The characteristic sound produced by a bird; 'a bird will not learn its song unless it hears it at an early age'.
12. [noun] A very small sum; 'he bought it for a song'.
13. [noun] The imperial dynasty of China from 960 to 1279; noted for art and literature and philosophy.
