noun
rachis
Rachis (noun) means the spinal column, or the vertebrae of the spine.
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 axis of either a compound leaf, inflorescence, or fern frond.
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Etymology
From New Latin rhachis/rachis, from Ancient Greek ῥάχις (rhákhis, “spine, ridge”).
Frequently asked questions
What is the meaning of rachis?
"rachis" (noun) means the spinal column, or the vertebrae of the spine.
What are the different meanings of rachis?
"rachis" has 3 main meanings: 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.