Definition of prepeduncular in US English:

prepeduncular

adjective

Anatomy
  • Anterior or superior to a peduncle.

Origin

Late 19th century (in an earlier sense). From pre- + peduncular, in sense 1 after prepeduncle.

Pronunciation

prepeduncular

/ˌpriːpɪˈdʌŋkjʊlə/