rachis

Noun

Meaning

The spine; the vertebral column.

Same as Rhachis.

Source: Webster's dictionary

Synonyms

back backbone spine vertebral column spinal column ridge quill chine axis rear binding bone shaft pin anchor
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Antonyms

head lead leading top beginning front
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Hypernyms

axis skeletal structure

Hyponyms

chine notochord

Derivatives

rachises rachides rhachises

Anagrams

Sirach Charis chairs

Examples

the fall broke his back Source: Internet

Branched feathers with rachis, barbs, and barbules were discovered in many members including Sinornithosaurus millenii, a dromaeosaurid found in the Yixian formation (124.6 MYA). Source: Internet

Present on the forelimbs and tails, their integumentary structure has been accepted as pennaceous vaned feathers based on the rachis and herringbone pattern of the barbs. Source: Internet

This more primitive morphology (in evolutionary terms) consists of toughened glumes that tightly enclose the grains, and (in domesticated wheats) a semi-brittle rachis that breaks easily on threshing. Source: Internet

Spines may be present on the midrib of leaflets and the rachis of compound leaves. Source: Internet

Owls’ feathers are generally larger than the average birds’ feathers, have fewer radiates, longer pennulum, and achieve smooth edges with different rachis structures. Source: Internet

Close letter words and terms

rachiometer rachiotomy rachipagus rachischisis rachitic rachitic pelvis