WordReference Random House Unabridged Dictionary of American English © 2026
mourn′ing cloak′,
- Insectsan anglewing butterfly, Nymphalis antiopa, widely distributed in Europe and North America, having velvety, dark-brown wings with purple spots and pale-yellow edges. Also called Camberwell beauty.
- 1600–10
'mourning cloak' also found in these entries (note: many are not synonyms or translations):