一席[isseki] sitting
運転席[untenseki] driver's seat (in a car)
宴席[enseki] banquet
会席[kaiseki] meeting place
会席膳[kaisekizen] elaborate dinner tray

会席料理[kaisekiryouri] set of dishes served on an individual tray for entertaining guests
外野席[gaiyaseki] outfield bleachers
滑席[kasseki] sliding seat
寄せ席[yoseseki] musical hall
議席[giseki] parliamentary seat

上筵[uwamushiro] thin padded mat laid on the tatami
花筵[hanamushiro] mat with a floral or bulrush pattern
針の筵[harinomushiro] bed of nails
藁筵[waramushiro] straw mat
薦筵[komomushiro] mat of woven wild rice leaves

粗筵[aramushiro] loosely woven mat
離筵[rien] parting party
法筵[houen] preaching place
法の筵[norinomushiro] preaching place

莚席[enseki] matting

上蓆[uwamushiro] thin padded mat laid on the tatami

菰蓆[komomushiro] mat of woven wild rice leaves