[rey-kis] /ˈreɪ kɪs/
noun, plural rachises, rachides
[rak-i-deez, rey-ki-] /ˈræk ɪˌdiz, ˈreɪ kɪ-/ (Show IPA)
Ornithology. the part of the shaft of a feather bearing the web.
noun (pl) rachises, rhachises, rachides, rhachides (ˈrækɪˌdiːz; ˈreɪ-)
(botany) the main axis or stem of an inflorescence or compound leaf
(ornithol) the shaft of a feather, esp the part that carries the barbs
another name for spinal column
rachis ra·chis (rā’kĭs)
n. pl. ra·chis·es or rach·i·des (rāk’ĭ-dēz’, rā’kĭ-)
See spinal column.
Plural rachises or rachides (rāk’ĭ-dēz’, rā’kĭ-)
A main axis or shaft, such as the main stem of an inflorescence, the stalk of a pinnately compound leaf, the shaft of a feather, or the spinal column.
rachischisis ra·chis·chi·sis (rə-kĭs’kĭ-sĭs) n. See spondyloschisis.
[ruh-kahy-tis] /rəˈkaɪ tɪs/ noun, Pathology. 1. . /rəˈkaɪtɪs/ noun 1. (pathol) another name for rickets adj. 1797, from rachitis (1727), medical Latin, from Late Greek rhakhitis (nosos) “rachitic disease, inflammation of the spine,” from Greek rhakhis “spine, ridge, rib of a leaf” (see rachio-). rachitis ra·chi·tis (rə-kī’tĭs) n. See rickets. ra·chit’ic (-kĭt’ĭk) adj.
- Rachitic pelvis
rachitic pelvis n. A contracted and deformed pelvis, most commonly a flat pelvis, resulting from rachitic softening of the bones in early life.
- Rachitic rosary
rachitic rosary n. A row of beadlike prominences at the junction of a rib and its cartilage, often seen in rachitic children. Also called beading of ribs.