whitsun(n = noun.time) whitsuntide, whitweek - Christian holiday; the week beginning on Whitsunday (especially the first 3 days);
is a kind of season
is a part of church calendar, ecclesiastical calendar
has parts: pentecost, whitsunday, whitmonday, whitsun monday, whit-tuesday, whitsun tuesday
Of, pertaining to, or observed at, Whitsuntide; as, Whitsun week; Whitsun Tuesday; Whitsun pastorals. [1913 Webster]
whitsun, n. & adj.
--n. = WHITSUNTIDE.
--adj. = WHIT.
Etymology:
ME, f. Whitsun Day = Whit Sunday