coe·nu·rus 
(sĭ-nrəs, -nyr-)
(sĭ-nrəs, -nyr-)n. pl. coe·nu·ri (-nrī′, -nyrī′)
The parasitic larval stage of the tapeworm Taenia multiceps that consists of a cyst in which the scolex develops and that infects the central nervous system of vertebrates, including ruminants and canids.
[New Latin coenūrus, having a common tail (from the fact that the larva has many heads) : COEN(O)- + Greek ourā, tail; see ors- in the Appendix of Indo-European roots.]