jam jarEnglishOxford Dictionary of Englishjam jar /ˈdʒam dʒɑː / ▸ noun British English 1 a glass jar used to contain jam or another preserve: decant your paint into a recycled jam jar. 2 rhyming slang a car: I'll take you out for a nice spin in the jam jar.
EnglishOxford Dictionary of EnglishEnglishOxford Dictionary of English
EnglishOxford Dictionary of English