lumbar

形容词 lumbar:

1. of or relating to or near the part of the back between the ribs and the hipbones

lum.bar

adj.（形容词）
Of, near, or situated in the part of the back and sides between the lowest ribs and the pelvis.
腰部的：最低的肋骨与盆骨之间与后背处的部分的，或靠近这部分的，或位于这个部位的
n.（名词）
A lumbar artery, nerve, vertebra, or part.
腰动脉，腰神经，腰脊椎，或腰部

来源：
New Latin lumb3ris
现代拉丁语 lumb3ris
from Latin lumbus [loin]
源自 拉丁语 lumbus [腰部]