A bench for mourners or repentant sinners put at the front end in a revival conference: "That evening I was escorted to your front side line and positioned on the mourners' workbench with all the various other young sinners” ( Langston Hughes).
A bench, seat, railway, pew, etc. set-aside for mourners and repentant sinners that's frequently found at leading of a revival conference or south evangelical church.
How would you define mourners' bench?