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Showing results for rachis. Search instead for racis.
Definitions

rachis

[rey-kis] / ˈreɪ kɪs /
NOUN
spinal column
Synonyms




Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Each leaflet may have its own stalk, but is attached to the rachis.

From Textbooks • Jun. 9, 2022

In all modern feathers, the central shaft or rachis is a hollow tube.

From Science Magazine • Dec. 14, 2018

The finding suggests that the barbs and barbules evolved before the rachis in feathers.

From New York Times • Dec. 8, 2016

The feathers lack the well-developed central shaft - a rachis - known from modern birds.

From BBC • Dec. 8, 2016

Using my HB pencil, I work to sketch out the barbs of the feather, drawing lines from the rachis outward.

From "Red Flags and Butterflies" by Sheryl Azzam