parclose
A partition that closes off part of a building; especially one that separates an altar or chapel from the rest of a church.
The two eastern bays of this aisle form the Golafre chapel and are inclosed by modern parcloses of oak[…]
An enclosed area, especially one separated from the main body of a building by a screen or partition.
obsolete
Where it comes from
From Middle English parclose, perclose, from Old French parclos, perclose and others, Middle French parclose (“end, enclosure”), noun use of past participle of parclore (“to enclose”).
Adapted from the Wiktionary entry parclose (CC BY-SA 4.0).