1a piece of clothing worn on the top half of the body over a shirt, etc. that has sleeves and fastens down the front; a short, light coata denim/tweed jacketI have to wear a jacket and tie to work. see also bomber jacket, dinner jacket, donkey jacket, flak jacket, life jacket, smoking jacket, sports jacket, straitjacket2 (alsodust jacket)a loose paper cover for a book, usually with a design or picture on it3an outer cover around a hot water pipe, etc, for example to reduce loss of heat4(British English) the skin of a baked potatopotatoes baked in their jackets5(especially North American English) = sleeve (3)
ˈdʒækɪt
ˈdʒækɪt
1 a piece of clothing worn on the top half of the body over a shirt, etc. that has sleeves and fastens down the front; a short, light coata denim/tweed jacketI have to wear a jacket and tie to work. see also bomber jacket, dinner jacket, donkey jacket, flak jacket, life jacket, smoking jacket, sports jacket, straitjacket2 (also dust jacket) a loose paper cover for a book, usually with a design or picture on it3 an outer cover around a hot water pipe, etc, for example to reduce loss of heat4 (British English) the skin of a baked potatopotatoes baked in their jackets5 (especially North American English) = sleeve (3)
