Definition of platycrinid in English:

platycrinid

noun

rare
  • An extinct crinoid of the Palaeozoic family Platycrinidae (or Platycrinitidae), typically having broad, flattened radial and basal plates.

adjective

rare
  • Of or relating to the family Platycrinidae (or Platycrinitidae).

Origin

Late 19th century; earliest use found in Isaac Funk (1839–1912), publisher and reformer. From scientific Latin Platycrinidae, family name from Platycrinus, genus name + -idae.

Pronunciation

platycrinid

/ˌplatɪˈkrɪnɪd//ˌplatɪˈkrʌɪnɪd/