notochord 1
noundomain: animal
Princeton WordNet [ver.3.1]
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EnglishDefinition
a flexible rodlike structure that forms the supporting axis of the body in the lowest chordates and lowest vertebrates and in embryos of higher vertebrates
Hypernym
spinal column 1
noun
the series of vertebrae forming the axis of the skeleton and protecting the spinal cord
EnglishHyponym
urochord 2
noun
a notochord of a larval tunicate typically confined to the caudal region
