Whitsunday
Pronunciation : Whit"sun*day
Part of Speech : n.
Etymology : [White + Sunday.]
Definition : 1. (Eccl.)
Defn: The seventh Sunday, and the fiftieth day, after Easter; a festival of the church in commemoration of the descent of the Holy Spirit on the day of Pentecost; Pentecost; -- so called, it is said, because, in the primitive church, those who had been newly baptized appeared at church between Easter and Pentecost in white garments.
2. (Scots Law)
Defn: See the Note under Term, n., 12.
Source : Webster's Unabridged Dictionary, 1913