Rachilla
[ruh-kil-uh] /rəˈkɪl ə/
noun, plural rachillae
[ruh-kil-ee] /rəˈkɪl i/ (Show IPA). Botany.
1.
a small or secondary rachis, as the axis of a spikelet in a grass inflorescence.
/rəˈkɪlə/
noun
1.
(in grasses) the short stem of a spikelet that bears the florets
rachilla
(rə-kĭl’ə)
Plural rachillae (rə-kĭl’ē)
The stalk that bears the florets in the spikelets of grasses and similar plants, such as rushes and sedges. The rachilla often has a zigzag shape, with florets at each point at which the orientation of the rachilla turns.
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- Rachio-
also rhachio-, before vowels rachi-, word-forming element meaning “spinal,” from Greek rhakhis “spine, ridge, rib of a leaf.” Cf. Greek rhakhos “thorn hedge.” rachio- or rachi- pref. Spine; spinal: rachiometer.
- Rachiocentesis
rachiocentesis ra·chi·o·cen·te·sis (rā’kē-ō-sěn-tē’sĭs) n. See lumbar puncture.
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rachiometer ra·chi·om·e·ter (rā’kē-ŏm’ĭ-tər) n. An instrument for measuring the curvature of the spinal column.
- Rachiotomy
/ˌreɪkɪˈɒtəmɪ/ noun 1. another name for laminectomy rachiotomy ra·chi·ot·o·my (rā’kē-ŏt’ə-mē) n. See laminectomy.