Definition of arthrobranch in English:

arthrobranch

noun

Zoology
  • In some crustaceans: a gill attached to the articulating membrane of the basal joint of a thoracic appendage with the body.

Origin

Late 19th century; earliest use found in George Rolleston (1829–1881), physician and physiologist. From arthro- + -branch.

Pronunciation

arthrobranch

/ˈɑːθrə(ʊ)braŋk/