rachis

Noun
Synonyms: spinal columnvertebral columnspinebackboneback

WordNet 3.0

Noun (2)

  1. axis of a compound leaf or compound inflorescence
  2. the series of vertebrae forming the axis of the skeleton and protecting the spinal cord“the fall broke his back”Synonyms: spinal columnvertebral columnspinebackboneback
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Webster's Dictionary (GCIDE)

Rachis \Ra"chis\ (r[=a]"k[i^]s), n.; pl. E. Rachises (r[=a]"k[i^]s*[e^]z), L. Rachides (r[a^]k"[i^]*d[=e]z). [NL., fr. Gr. "ra`chis, -ios.] [Written also rhachis.]

1.(Anat.) The spine; the vertebral column. [1913 Webster]

2.(Bot. & Zool.) Same as Rhachis. [1913 Webster]

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