Pentecost
noun /ˈpentɪkɒst/
/ˈpentɪkɔːst/
[uncountable, countable]- (British English also Whit Sunday)(in the Christian Church) the 7th Sunday after Easter when Christians celebrate the Holy Spirit coming to the ApostlesTopics Religion and festivalsc2
- (also Shavuoth, Feast of Weeks)a Jewish festival that takes place 50 days after the second day of Passover
Word OriginOld English pentecosten, via ecclesiastical Latin from Greek pentēkostē (hēmera) ‘fiftieth (day)’ (because the Jewish festival is held on the fiftieth day after the second day of Passover).