Definitions for rachisˈreɪ kɪs; ˈræk ɪˌdiz, ˈreɪ kɪ-

This page provides all possible meanings and translations of the word rachis

Random House Webster's College Dictionary

ra•chisˈreɪ kɪs; ˈræk ɪˌdiz, ˈreɪ kɪ-(n.)(pl.)ra•chis•es, rach•i•des

  1. any of various axial structures of a plant, as the stem of a leaflet.

    Category: Botany

  2. the part of the shaft of a feather bearing the web.

    Category: Ornithology

  3. Category: Anatomy

    Ref: spinal column.

Origin of rachis:

1775–85; < NL < Gk rháchis spine

Princeton's WordNet

  1. rachis(noun)

    axis of a compound leaf or compound inflorescence

  2. spinal column, vertebral column, spine, backbone, back, rachis(noun)

    the series of vertebrae forming the axis of the skeleton and protecting the spinal cord

    "the fall broke his back"

Wiktionary

  1. rachis(Noun)

    The main shaft of either a compound leaf, head of grain, or fern frond.

  2. rachis(Noun)

    The spine or the vertebrae of the spine.

  3. rachis(Noun)

    The central shaft of a feather.

Webster Dictionary

  1. Rachis(noun)

    the spine; the vertebral column

  2. Rachis(noun)

    same as Rhachis

Freebase

  1. Rachis

    Rachis is a biological term for a main axis or "shaft".

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