About The Word Rhachis
Learn about the word Rhachis to help solve your crossword puzzle. Discover Rhachis definitions and meaning, origins, synonyms, related terms and more at the free Crossword Dictionary.
Rhachis
| Rhachis Definition And Meaning |
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What's The Definition Of Rhachis?Synonyms | Synonyms for Rhachis: Related Terms | Find terms related to Rhachis: See Also | Rhachis In Webster's Dictionary \Rha"chis\, n.; pl. E. {Rhachises}, L. {Rhachides}. [See
{Rachis}.] [Written also {rechis}.]
1. (Anat.) The spine.
2. (Bot.)
(a) The continued stem or midrib of a pinnately compound
leaf, as in a rose leaf or a fern.
(b) The principal axis in a raceme, spike, panicle, or
corymb.
3. (Zo["o]l.)
(a) The shaft of a feather. The rhachis of the
after-shaft, or plumule, is called the hyporhachis.
(b) The central cord in the stem of a crinoid.
(c) The median part of the radula of a mollusk.
(d) A central cord of the ovary of nematodes.
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