Definition of pediunker in US English:

pediunker

noun

  • The grey petrel, Procellaria cinerea, of southern oceans.

Origin

Early 20th century. Origin unknown; perhaps imitative. Originally used in Tristan da Cunha, one of the islands on which the bird breeds.

Pronunciation

pediunker

/ˌpɛdɪˈʌŋkə/