noun
hanging partition wall; draft/smoke barrier
A short wall or panel suspended from the ceiling, often used in kitchens or commercial spaces to block smoke, drafts, or separate areas without a full wall.
キッチンに垂れ壁を付けて、煙がリビングに流れないようにした。
We installed a hanging partition wall in the kitchen to keep smoke from drifting into the living room.
間仕切り壁 is a full-height partition wall, while 垂れ壁 is a short hanging wall that does not reach the floor.
Compound of 垂れ (tare, 'hanging') + 壁 (kabe, 'wall').