Definition of polynoid in English:

polynoid

noun

Zoology
  • Any of various errant polychaete worms constituting the family Polynoidae, having a flattened body with a series of plates or elytra covering most of the dorsal surface; a scale worm.

adjective

Zoology
  • Of or relating to the family Polynoidae.

Origin

Late 19th century; earliest use found in American Naturalist. From scientific Latin Polynoe, genus name + -id, after scientific Latin Polynoidae, family name.

Pronunciation

polynoid

/ˌpɒlɪˈnəʊɪd/