transversum
n. [脊椎] 横骨
例句
A circle of transversum is paved round the ground, a wallboard is put in the transversum, and a transversum is fixedly arranged above the wallboard, which forms the outer wall.
在地面的四周,铺设一圈横骨,在横骨内放入墙板,在墙板上方再固定一个横骨形成外墙。