noun
mountain range; mountain backbone
Geological term for a continuous chain of mountains, often emphasizing the central ridge or backbone of a range.
日本アルプスは本州の脊梁をなす山脈だ。
The Japanese Alps form the backbone of Honshu.
noun
Anatomical term for the spine; less common in everyday speech than 背骨 (せぼね).
脊梁の損傷は重篤な障害を引き起こすことがある。
Damage to the spinal column can cause serious disability.