Definition of redia in US English:

redia

noun

Zoology
  • A form in the life cycle of many digenean trematodes (flukes), produced asexually within the main molluscan intermediate host from a germinal cell of the sporocyst, and having a saccular body containing a simple digestive tract and germinal cells that give rise to more rediae or to cercariae.

Origin

Late 19th century; earliest use found in Thomas Huxley (1825–1895), biologist and science educationist. From scientific Latin Redia, name of a supposed genus from the name of Francesco Redi, Italian naturalist and poet + scientific Latin -a.

Pronunciation

redia

/ˈriːdɪə/