Noun | 1. | ![]() church calendar, ecclesiastical calendar - a calendar of the Christian year indicating the dates of fasts and festivals season - a period of the year marked by special events or activities in some field; "he celebrated his 10th season with the ballet company"; "she always looked forward to the avocado season" Pentecost, Whitsunday - seventh Sunday after Easter; commemorates the emanation of the Holy Spirit to the Apostles; a quarter day in Scotland Whitmonday, Whitsun Monday - the day after Whitsunday; a legal holiday in England and Wales and Ireland Whitsun Tuesday, Whit-Tuesday - the day after Whitmonday |