/ˈfjuːɡ/
noun
A contrapuntal piece of music wherein a particular melody is played in a number of voices, each voice introduced in turn by playing the melody.Anything in literature, poetry, film, painting, etc., that resembles a fugue in structure or in its elaborate complexity and formality.A fugue state.verb
To improvise, in singing, by introducing vocal ornamentation to fill gaps etc.