nebuchadnezzarPronunciation: /ˌnɛbjʊkədˈnɛzə/Definition of nebuchadnezzar noun a very large wine bottle, equivalent in capacity to about twenty regular bottles. Origin: early 20th century: from Nebuchadnezzar (see Nebuchadnezzar II)nebuchadnezzar in other Oxford dictionaries Definition of nebuchadnezzar in the US English dictionary