荐椎 Traditional form: 薦椎 Pinyin (reading): jiànzhuī Definitions: (anatomy) sacral vertebra; sacrum Characters: 荐 - to recommend; to recur, to repeat 椎 - spine, vertebra; hammer, mallet Traditional characters: 薦 - to recommend; to recur, to repeat 椎 - spine, vertebra; hammer, mallet