Definition of prosiphonate in English:

prosiphonate

adjective

  • Of a chambered shell: having the septal necks of the siphuncle directed forward, as in some ammonoids.

Origin

1930s; earliest use found in William Twenhofel (1875–1957). From pro- + siphonate.

Pronunciation

prosiphonate

/prəʊˈsʌɪf(ə)nət//prəʊˈsʌɪf(ə)neɪt/