Definition of phyllobranchia in US English:

phyllobranchia

noun

Zoology
  • A type of gill occurring in some decapod crustaceans in which the axis bears two rows of close-set lamellar plates.

Origin

Late 19th century; earliest use found in Thomas Huxley (1825–1895), biologist and science educationist. From phyllo- + ancient Greek βράγχια gills.

Pronunciation

phyllobranchia

/ˌfɪlə(ʊ)ˈbraŋkɪə/