Last Updated：2025/11/19

The series of vertebrae, separated by disks, that encloses and protects the spinal cord, and runs down the middle of the back in vertebrate animals.

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backbone

Source Word

backbone

IPA(Pronunciation)

Noun

countable uncountable figuratively

Japanese Meaning

背骨：椎骨が連なってできた構造で、脊髄を保護し胴体の中央を走る。

The veterinarian carefully examined the dog's backbone for signs of injury after the fall.

獣医は落下後、けがの兆候がないか犬の背骨を慎重に調べた。

Sense（1）

Sense（2）

(figuratively) Any fundamental support, structure, or infrastructure.

Before automobiles, railroads were a backbone of commerce.

Sense（3）

(figuratively) Courage, fortitude, or strength.

He would make a good manager, if he had a little more backbone.

backbones

（ plural ）