rachis

Alternative forms

 * rhachis

Etymology
From, from.

Noun

 * 1)  The spinal column, or the vertebrae of the spine.
 * 2)  An anatomical shaft or axis in a marine invertebrate.
 * 3)  The central shaft of a feather.
 * 4)  The main shaft of either a compound leaf, head of grain, or fern frond.
 * 1)  The main shaft of either a compound leaf, head of grain, or fern frond.

Usage notes

 * The plural form is based on a mistaken impression of the Ancient Greek stem.

Translations

 * Bulgarian: гръбнак
 * Catalan:
 * Esperanto: rakio
 * Romanian:
 * Spanish:


 * Bulgarian:
 * Catalan:
 * Finnish: ,
 * Romanian:
 * Spanish:


 * Catalan:
 * Finnish: keskiranka ;
 * Galician:
 * Romanian:
 * Spanish: