From Longman Dictionary of Contemporary Englishcoypucoy‧pu /ˈkɔɪpuː/ noun [countable] HBAan animal like a beaver, kept on farms for its fur
Examples from the Corpus
coypu• How could coypu have got into a Suffolk pond?• Hargreaves was a bit like a large rodent, a capybara or coypu.• But the coypu man was different.• Later on they had seen the coypu man's van parked on the front driveway of one of those houses.• The coypu man could not be dismissed or the danger of him glossed over.• The coypu man lived in Nunes. 