A Trance

1. (countable) A dazed or unconscious condition. Trance - Wikipedia
2. (countable) A state of awareness, concentration, and/or focus that filters experience and information (for example, a state of meditation or possession by some being).
3. (countable, psychology) A state of low response to stimulus and diminished, narrow attention; particularly one induced by hypnosis.
4. (uncountable, music) Short for trance music (“genre of electronic dance music”).