[n] (Old Testament) Adam's wife in Judeo-Christian mythology: the first woman and mother of the human race; God created Eve from Adam's rib and placed Adam and Even in the Garden of Eden
[n] the day before; "he always arrives on the eve of her departure"
[n] the latter part of the day (the period of decreasing daylight from late afternoon until nightfall); "he enjoyed the evening light across the lake"
[n] the period immediately before something; "on the eve of the French Revolution"