noun
or pinx·ter ˈpiŋ(k)stə(r), -ŋzt-
( -s )
Usage: usually capitalized
Etymology: Dutch pinkster from Middle Dutch pinxter, alteration of pinxten; akin to Old Frisian pinxtera Whitsuntide, Old Saxon pinkoston, Middle High German pfingesten; all from a prehistoric continental West Germanic word borrowed from Gothic paintekuste Pentecost, from Greek pentēkostē — more at pentecost
: whitsuntide