The Collaborative International Dictionary
Antechoir
Antechoir \An"te*choir`\, n. (Arch.)
A space inclosed or reserved at the entrance to the choir, for the clergy and choristers.
Where a choir is divided, as in some Spanish churches, that division of it which is the farther from the sanctuary.
Wiktionary
antechoir
n. 1 The part of a church in front of the choir, often reserved for the clergy and choristers. 2 Where a choir is divided, as in some Spanish churches, the division that is further away from the sanctuary.