noun Whit·sun·day \ˈhwit-ˈsən-dē, -sən-ˌdā, ˈwit-\

Definition of Whitsunday

  1. :  pentecost 2

Origin and Etymology of whitsunday

Middle English Whitsonday, from Old English hwīta sunnandæg, literally, white Sunday; probably from the custom of wearing white robes by those newly baptized at this season

First Known Use: before 12th century

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