📖 Biblical Definition
The fiftieth day after Easter Sunday, commemorating the outpouring of the Holy Spirit on the church (Acts 2); often the beginning of an extended season called Pentecost or Trinity.
📜 Webster 1828 Definition
Fiftieth day after Easter; Spirit-outpouring.
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The fiftieth day after Easter Sunday, commemorating the outpouring of the Holy Spirit on the gathered disciples in Acts 2; in the liturgical calendar often the start of an extended season (Trinity / Pentecost) running to Advent.
📖 Key Scripture
Acts 2:1-4 — "And when the day of Pentecost was fully come... they were all filled with the Holy Ghost, and began to speak with other tongues, as the Spirit gave them utterance."
John 14:26 — "But the Comforter, which is the Holy Ghost... shall teach you all things."
Joel 2:28-29 — "And it shall come to pass afterward, that I will pour out my spirit upon all flesh."
⚠️ Modern Corruption
Marginalized in much of Western Christianity; the Spirit-poured-out day deserves the same weight as Christmas and Easter.
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Pentecost has been marginalized in much of Western Christianity — Christmas and Easter get the attention; Pentecost gets a sermon and disappears. The corruption is treating the Spirit's coming as liturgical decoration rather than as gospel-history coordinate with incarnation and resurrection.
🔗 Greek & Hebrew Roots
Greek Pentekostē — fiftieth.
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['Greek', 'G4005', 'Pentēkostē', 'Pentecost, fiftieth']
['Hebrew', 'H7620', 'Shavuot', 'Weeks']
Usage
"Celebrate Pentecost as a major feast."
"Three coordinate feasts: Christmas, Easter, Pentecost."