rachis (English, noun)
expansion: rachis (plural rachises or rachides)
Senses:
topics: anatomy
biology
medicine
natural-sciences
sciences
zoology
glosses: The spinal column, or the vertebrae of the spine.
tags: obsolete
topics: biology
natural-sciences
zoology
glosses: An anatomical shaft or axis in a marine invertebrate.
topics: biology
natural-sciences
ornithology
glosses: The central shaft of a feather.
topics: biology
botany
natural-sciences
glosses: The axis of either a compound leaf, inflorescence, or fern frond.
Forms:
form: rachises
tags: plural
form: rachides
tags: plural
form: rhachis
tags: alternative