JMdict: 1836520

腰椎 【ようつい】

  1. [n,adj-no] lumbar vertebra; lumbar vertebrae
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Kanji in this word:

Kanji Meanings On Readings Kun Readings Grade
Loins, Hips, Waist, Low Wainscoting ヨウ こし
Chinquapin, Mallet, Spine ツイ, スイ つち, う.つ