Rachis Definition

rākĭs
rachides, rachises
noun
rachises
The main stem of an elongated inflorescence, as in a grass.
American Heritage Medicine
The principal axis of an inflorescence or of a compound leaf.
Webster's New World

Spinal column.

Webster's New World
The shaft of a feather, esp. that part bearing the barbs.
Webster's New World

(zoology, anatomy) The spine or the vertebrae of the spine.

Wiktionary
Synonyms:

Other Word Forms of Rachis

Noun

Singular:
rachis
Plural:
rachides, rachises

Origin of Rachis

  • From New Latin, from Ancient Greek ῥάχις (rhakhis, “spine, ridge").

    From Wiktionary

  • New Latin from Greek rhakhis spine, ridge

    From American Heritage Dictionary of the English Language, 5th Edition

Rachis Sentence Examples

  • Seed, attached to a branch of the rachis bearing two vegetative leaflets.

  • With regard to birds and land shells the relation is much closer to the Comoros species, and the latter, of which I have collected seven species besides Rachis aldabrae, may serve to point out more than the birds the land connexion of Aldabra with the neighbouring countries."

  • The ripe ears of the last hang so as to become almost parallel with the stem; they are narrower and longer than in (b), owing to the grains being placed farther apart on the rachis; it includes the Chevalier variety, one of the best for malting purposes.

  • All the flowers of each triplet of spikelets on both sides of the rachis are fertile and produce ripe fruits; hence the ear produces six longitudinal rows of grain.

  • All the flowers of each triplet are fertile as in (ii.), but the rows are not arranged regularly at equal distances round the rachis.

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Words Starting With

RRARAC

Words Ending With

SISHIS

Unscrambles

rachis

Words Starting With R and Ending With S

Starts With R & Ends With SStarts With RA & Ends With SStarts With R & Ends With IS

Word Length

6 Letter Words6 Letter Words Starting With R6 Letter Words Ending With S