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

2 senses of urochord

Sense 1
tunicate, urochordate, urochord -- (primitive marine animal having a saclike unsegmented body and a urochord that is conspicuous in the larva)
       => chordate -- (any animal of the phylum Chordata having a notochord or spinal column)

Sense 2
urochord -- (a notochord of a larval tunicate typically confined to the caudal region)
       => 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)