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rhachis

[rey-kis] /ˈreɪ kɪs/
noun, plural rhachises, rhachides
[rak-i-deez, rey-ki-] /ˈræk ɪˌdiz, ˈreɪ kɪ-/ (Show IPA)
1.
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Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for rhachis

rachis

/ˈreɪkɪs/
noun (pl) rachises, rhachises, rachides, rhachides (ˈrækɪˌdiːz; ˈreɪ-)
1.
(botany) the main axis or stem of an inflorescence or compound leaf
2.
(ornithol) the shaft of a feather, esp the part that carries the barbs
3.
another name for spinal column
Derived Forms
rachial, rhachial (ˈreɪkɪəl), rachidial, rhachidial (rəˈkɪdɪəl) adjective
Word Origin
C17: via New Latin from Greek rhakhis ridge

rhachis

/ˈreɪkɪs/
noun (pl) rhachises, rhachides (ˈrækɪˌdiːz; ˈreɪ-)
1.
a variant spelling of rachis
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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15
14
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