腰椎

yāozhuī
lumbar vertebra (lower backbone)

CEDICT

lumbar vertebrae (bones of the lower back)

Wiktionary

腰部的脊椎骨，共有五枚。

重編國語辭典

Entry Composition

1 腰 yāo
  1. the waist and lower back
  2. (bound form) kidney of an animal (as food)
  3. the waist of trousers or a skirt
  4. (metonym) money pouch; pocket
  5. (bound form) the middle section of an upright object (mountain, bottle etc)
2 椎 zhuī (bound form) vertebra

Containing this entry

腰椎間盤 yāozhuījiānpán intervertebral disk
腰椎穿刺 yāozhuīchuāncì