henotheismPronunciation: /ˈhɛnəʊˌθiːɪz(ə)m/Definition of henotheism noun [mass noun] adherence to one particular god out of several, especially by a family, tribe, or other group. Origin: mid 19th century: from Greek heis, henos 'one' + theos 'god' + -ismhenotheism in other Oxford dictionaries Definition of henotheism in the US English dictionary