1. a piece of clothing worn on the upper body, typically having sleeves and fastening in the front
2. a protective or decorative covering for something
3. the skin of a potato

1. to put a jacket or covering on something

Examples

• She wore a leather jacket to the concert.
• He hung his suit jacket on the back of the chair.
• The book’s dust jacket was torn.
• Baked potatoes taste better with the jacket on.
• The workers jacketed the pipes with insulation.
• Don’t forget your jacket—it’s cold outside.