What does rachis mean?
The rachis is the main axis or stem of a leaf, feather, seed pod, or fruit. It is a crucial structural element in botany, providing support and attachment points for other plant parts. The rachis can be found in various types of plants, including ferns, grasses, and trees. In some cases, the rachis is hard and fibrous, while in others it is delicate and feathery. Understanding the rachis is essential for studying plant anatomy and morphology. The term 'rachis' is derived from the Latin word 'rachis,' which means 'spine' or 'backbone.' It has cognates in Greek and French, reflecting its widespread use in scientific and botanical contexts. The rachis is a fundamental concept in botany, and its study has important implications for understanding plant development and evolution.
nounThe main axis or stem of a leaf or a feather, or the central part of a seed pod or a fruit.
- The main axis or stem of a leaf or a feather, or the central part of a seed pod or a fruit.
"The rachis of the fern leaf supported the delicate fronds."
"The rachis of the fern leaf supported the delicate fronds."
"The rachis of the wheat grain was hard and fibrous."
Reviewed by Deb Chak, Editor. AI-assisted content curated by RJS Tech Solutions LLP.
Etymology of rachis
The term 'rachis' is derived from the Latin word 'rachis,' which means 'spine' or 'backbone.' It has cognates in Greek and French, reflecting its widespread use in scientific and botanical contexts.
Usage notes
In botany, the rachis is an important structural element of plants.