Associations to the word «Rachis»

Wiktionary

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

Dictionary definition

RACHIS, noun. Axis of a compound leaf or compound inflorescence.
RACHIS, noun. The series of vertebrae forming the axis of the skeleton and protecting the spinal cord; "the fall broke his back".

Wise words

Language is a process of free creation; its laws and principles are fixed, but the manner in which the principles of generation are used is free and infinitely varied. Even the interpretation and use of words involves a process of free creation.
Noam Chomsky