(lit., "evening" or "eve of"): when introducing another word (such as "Pesach") it means the day that ends with the onset of the holy day at sunset
A Hebrew word translating as evening. Used colloquially to mean the day before a Shabbat or festival eg Erev Pesach is the day that immediately precedes seder night.
Literally, "evening" in Hebrew. When placed before the name of a Jewish holiday, it means the day before the evening that begins the holiday (since days in the Jewish calendar begin at sundown, Jewish holidays begin in the evening).
eve. Common usage: "I'll drop the flowers off at our hosts erev Shabbat" -- as in the hours just before Shabbat.
the eve of [a Sabbath or festival
Evening Usually the evening before a holiday, e.g., Erev Shabbat is Friday evening, Erev Rosh Hashanah is the evening before the day of Rosh Hashanah
lit., `evening': The eve of [shabbat or a festival].