Definition of papillon in US English:

papillon

noun

  • A dog of a toy breed with ears suggesting the form of a butterfly.

    • ‘The dogs - a mongrel, a Labrador, a papillon and three cocker spaniels - identified their chosen sample by lying down next to it.’
    • ‘Papillons are supposed to be absolutely wonderful companion dogs: friendly, smart, very driven to be helpful and interact with people.’
    • ‘The Papillon is sometimes called the "butterfly dog" because the ears look like butterfly wings. He always has an alert and intelligent expression.’

Origin

Early 20th century: from French, literally ‘butterfly’, from Latin papilio(n-).

Pronunciation

papillon

/ˌpäpēˈyôn/