a large card with a brightly coloured sometimes tinselled design on it that contains small numbered doors for children to open on each of the days of Advent, revealing pictures beneath them
Examples of 'Advent calendar' in a sentence
Advent calendar
-- was to eat most of the chocolates out of Ellie's Advent calendar.
Bénédicte Newland and Pascale Smets AND GOD CREATED THE AU PAIR (2005)