1 a piece of outdoor clothing that is worn over other clothes to keep warm or dry. Coats have sleeves and may be long or shorta fur/leather coata long winter coatto put on/take off your coat see also duffel coat, greatcoat, housecoat, overcoat, petticoat, raincoat, trench coat2 (North American English) (old-fashioned in British English) a jacket that is worn as part of a suit see also frock coat, morning coat, tailcoat, waistcoat
3 the fur, hair or wool that covers an animal's bodya dog with a smooth/shaggy coatanimals in their winter coats (= grown long for extra warmth)
4 a layer of paint or some other substance that covers a surfaceto give the walls a second coat of paint see also topcoat, undercoatIdioms


kəʊt
koʊt