Found 2 items, similar to rachis.
English → English (WordNet) Definition: rachis rachis n 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” [syn: spinal column, vertebral column, spine, backbone, back] [also: rhachises (pl)]
English → English (gcide) Definition: Rachis 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. & Zo["o]l.) Same as Rhachis. [1913 Webster]