'Whitsuntide' definitions:

Definition of 'Whitsuntide'

(from WordNet)
noun
Christian holiday; the week beginning on Whitsunday (especially the first 3 days) [syn: Whitsun, Whitsuntide, Whitweek]

Definition of 'Whitsuntide'

From: GCIDE
  • Whitsuntide \Whit"sun*tide`\, n. [Whitsunday + tide.] The week commencing with Whitsunday, esp. the first three days -- Whitsunday, Whitsun Monday, and Whitsun Tuesday; the time of Pentecost. --R. of Gloucester. [1913 Webster]