from The Century Dictionary.
- The seats for the choir of a church, whether in the chancel, on a platform, or in a gallery: used collectively of the location of the singers in general.
Sorry, no etymologies found.
When she raised her eyes she could see Miss Whiton's coldly regular features conspicuous in their clean-cut fairness among the younger instructors in the choir-seats behind the trustees on the platform.
Jan learned to sing, and to sing very well; and he was put into the choir-seats in the old church, where he sang with enthusiasm hymns which he had learned by heart from the schoolmaster.