Definition of polytrochal in English:

polytrochal

adjective

Zoology
  • Of a polychaete larva: having several ciliated rings round the body.

Origin

Mid 19th century (in an earlier sense). From scientific Latin Polytrocha, former family name + -al.

Pronunciation

polytrochal

/pəˈlɪtrəkl//ˌpɒlɪˈtrəʊkl/