Definition of mourning cloak in US English:

mourning cloak


North American
  • A migratory butterfly with deep purple yellow-bordered wings.

    Nymphalis antiopa, subfamily Nymphalinae, family Nymphalidae

    British term Camberwell beauty
    • ‘I believe they were mostly Harris's checkerspots and wood nymphs, or the like, but there were also the occasional monarchs, swallowtails, and mourning cloaks.’
    • ‘The first of these, mourning cloak butterflies, usually remain in crevices outside and only rarely make it into the cabin.’
    • ‘Doug talks about some local species of butterflies, ones with cool names like mourning cloaks, commas, and question marks.’
    • ‘Butterflies including the tiger swallowtail and mourning cloak rely on the flowers of the red maple for their survival and reproduction.’