rachis

English

Alternative forms

rhachis

Etymology

From New Latin, from Ancient Greek ῥάχις (rhákhis, “spine, ridge”).

Pronunciation

(UK, US) IPA^(key): /ˈɹeɪkɪs/

Noun

rachis (plural rachises or rachides)

(botany) The main shaft of either a compound leaf, head of grain, or fern frond.
(zoology, anatomy) The spine or the vertebrae of the spine.
(ornithology) The central shaft of a feather.

Usage notes

The plural form rachides is technically erroneous, being based on a mistaken impression of the Ancient Greek stem.

Translations

main shaft of a compound leaf or head of grain

Catalan: raquis (ca) m
Galician: raque (gl) m

Romanian: rahis (ro) n
Spanish: raquis (es) m

spine

Catalan: raquis (ca) m
Romanian: rahis (ro) n

Spanish: raquis (es) m

central shaft of a feather

Catalan: raquis (ca) m
Romanian: rahis (ro) n

Spanish: raquis (es) m

References

rachis at OneLook Dictionary Search
rachis in The Century Dictionary, The Century Co., New York, 1911

Anagrams

Charis, Sirach, chairs

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