[ra″ke-om´ĕ-ter] an apparatus for measuring spinal curvature.
ra·chi·om·e·ter
(rā'kē-om'ĕ-tĕr) An instrument for measuring the curvature of the spine, natural or pathologic, or of the spinal column. [rachio- + G. metron, measure]
rachiometer
(rā-kē-ŏm′ĕ-tĕr) [″ + metron, measure] An instrument for measuring a spinal curvature.