A jail cell is a place of confinement for those held in lawful custody. Dreaming of a jail cell could represent bondage or refinement.
Positive: Dreaming of a jail cell could represent being a prisoner to the Lord. It may be God showing you that you need your heart to be refined and develop yourself in the Word of God.
Negative: A jail cell in a dream could be showing you that Satan is attacking you through your mind, soul, will, and emotions. God could be showing you areas where you are being bound or held captive by Satan so you can become free. A jail cell could represent you are being held in an unwanted situation in different areas of your life.
(Proverbs 17:3; Ephesians 3:1; 2 Corinthians 5:14; Psalm 137:3; 1 John 2:15; Luke 4:18).