sessorius
[back formation < CL sessorium = sitting room]1(as adj.) used for sitting.1295duo scabella stratoria ‥ duo scabella ~aVis. S. Paul.330.2(as sb.) place in which someone can sit, seat.unus hebdomadariorium ‥ innuet monacho ‥ ut ~um suum adeatChr. Abingd.II 344.