Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun notochord

1 sense of notochord

Sense 1
notochord -- (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)
       => spinal column, vertebral column, spine, backbone, back, rachis -- (the series of vertebrae forming the axis of the skeleton and protecting the spinal cord; "the fall broke his back")