Definition of Rhachis
1. n. The spine.
Definition of Rhachis
1. Noun. (alternative spelling of rachis) ¹
¹ Source: wiktionary.com
Definition of Rhachis
1. rachis [n -CHISES or -CHIDES] - See also: rachis
Medical Definition of Rhachis
1.
Origin: See Rachis
Alternative forms: rechis.
1. The spine.
2. The continued stem or midrib of a pinnately compound leaf, as in a rose leaf or a fern. The principal axis in a raceme, spike, panicle, or corymb.
3. The shaft of a feather. The rhachis of the after-shaft, or plumule, is called the hyporhachis. The central cord in the stem of a crinoid.
The median part of the radula of a mollusk.
A central cord of the ovary of nematodes.
Source: Websters Dictionary
(01 Mar 1998)
Lexicographical Neighbors of Rhachis
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