n. Singing; vocal music in general; utterance in tones of musical quality and succession, with or without words: opposed to speech and to instrumental music.n. The musical cry of some birds (see singing bird, under sing) and, by extension, of some other animals.n. A short poem intended for singing, or set to music; a ballad or lyric.n. A particular melody or musical setting for such a poem, for either one or several voices (in the latter case usually called a part-song or glee).n. Poetry; poetical composition; verse.n. A more trifle; something of little or no value: as, I bought it for a song.n. A Middle English preterit of sing.