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

See Examples For:

undercroft

The new space cannot fully replicate the experience of visiting the cavernous undercroft when it was still raw and unfinished, with bottom-level soil so peaty that residue clung to one’s shoes for days.

From The Wall Street Journal ● Aug. 19, 2026

Accessible via a small door to the right of the building’s famous front steps, the new attraction encompasses only a third of the existing undercroft, suspended within the larger surrounding space.

From The Wall Street Journal ● Aug. 19, 2026

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

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

There are several stone coffins in the undercroft, and a good many fragments of carved stone, some of which are very fine.

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