libationPronunciation: /lʌɪˈbeɪʃ(ə)n/Definition of libation noun a drink poured out as an offering to a deity: he poured the libation of rum on the ground [mass noun] the pouring out of a libation:gin was poured in libation humorous a drink:tequila is a favourite libation throughout the WestOrigin: late Middle English: from Latin libatio(n-), from libare 'pour as an offering'libation in other Oxford dictionaries Definition of libation in the US English dictionary