The Collaborative International Dictionary
Neurocordal
Neurocord \Neu"ro*cord\, n. [Neuro- + cord.] (Zo["o]l.) A cordlike organ composed of elastic fibers situated above the ventral nervous cord of annelids, like the earthworm. -- Neu`ro*cor"dal, a.
Wiktionary
neurocordal
a. Relating to the neurocord.