undercroft

American  

[uhn-der-krawft, -kroft] / ˈʌn dərˌkrɔft, -ˌkrɒft /

noun

1. a vault or chamber under the ground, especially in a church.

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undercroft British  

/ ˈʌndəˌkrɒft /

noun

1. an underground chamber, such as a church crypt, often with a vaulted ceiling

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Etymology

Origin of undercroft

Middle English word dating back to 1350–1400; see origin at under, croft ¹

Example Sentences

Floor-to-ceiling glass walls will provide a view of some of the supports in the undercroft, and an immersive theater presentation will project images of historic events onto the foundations, the Park Service said.

From Washington Post • Feb. 20, 2023

Part of the undercroft roof will be removed so equipment can be lowered into the workspace by crane.

From Washington Post • Feb. 20, 2023

Eight and a half years ago, I attended my first in-person meeting, in the undercroft of a Unitarian Church in Brooklyn.

From New York Times • Apr. 2, 2020

I had a CVS employee show me how to use a price scanner, and a church employee tell me what an undercroft is.

From New York Times • Jan. 7, 2018

The chamber leading to the undercroft was the vestry, and the stout walls of the octagon, when it was finished, protected the vestments and treasures of the cathedral.

From Bell's Cathedrals: The Cathedral Church of Wells A Description of Its Fabric and a Brief History of the Episcopal See by Dearmer, Percy