Often in the phrase on cloud nine: a state of bliss, elation or happiness.
A state of fantastic or impractical dreaming or thinking.
Joy; happiness; great delight, especially from one's own good fortune or from another's misfortune.
Music; minstrelsy; entertainment.
An unaccompanied part song for three or more solo voices, not necessarily merry.
To sing a glee (unaccompanied part song).