To dream that you are joyfully riding a carousel may suggest a childlike sense of joy and confidence in your parent’s approval of your life choices.
To dream that you are on a carousel and unable stop or slow down so that you may dismount indicates disillusionment about the cycle of life and your place within it. Alternatively, you may be experiencing a lack of control and boredom at the repetitive nature of your waking life.... Dream Symbols and Analysis
Dreams of a carousel symbolize the cycles of life.
If you are riding the carousel, then you are participating in life’s passages.
If you are watching the carousel, then you are not participating, but rather watching life pass you by. In this case, your dream is telling you to take a more active role in your life.
If this is a carousel at an airport’s baggage claim, then this is about patience and being reassured that that which is yours cannot pass you by. See Baggage Claim and Season.... Strangest Dream Explanations