Definition of Physophoridae in English:

Physophoridae

noun

Zoology
  • (Treated as plural) a family of siphonophores including the genus Physophora (usually comprising only that genus).

Origin

Mid 19th century; earliest use found in Thomas Huxley (1825–1895), biologist and science educationist. From scientific Latin Physophoridae; not fully naturalized in English.