a. See Whitsun. [ Obs. ] [ 1913 Webster ]
n. [ White + sour. ] (Bot.) A sort of apple. [ 1913 Webster ]
n. [ Contracted fr. whitester. ] A whitener; a bleacher; a whitester. [ Obs. ] [ 1913 Webster ]
The whitsters in Datchet mead. Shak. [ 1913 Webster ]
a. Of, pertaining to, or observed at, Whitsuntide;
n. [ White + Sunday. ]
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 ]