(in a nautilus) the connecting tube that passes from the end of the body through all of the septa to the innermost chamber.
Entomology. an aphid cornicle.
Origin: 1895–1900; Related forms
< Latin sīp
small tube through which water is forced, equivalent to sīp
stem of sīp
+ -culus -cule1
siphuncular, siphunculate /saɪˈfʌŋkyəlɪt/ [sahy-fuhng-kyuh-lit] Show IPA , siphunculated /saɪˈfʌŋkyəˌleɪtɪd/ [sahy-fuhng-kyuh-ley-tid] Show IPA , adjective