kō heki
1. posterior wall
Noun
#186373
1. posterior wall
1. Back wall; Rear wall
1. Behind the back wall.
1. It's not the back wall.; It's not behind.
1. If/when the back wall; When there is a back wall
1. It wasn't the back wall.; It wasn't behind.
1. Back wall.; Behind.
1. Not a back wall.; Not the back wall.
1. It wasn't the back wall.; It wasn't behind.
1. If/when the back wall; Provided the back wall exists