from The American Heritage® Dictionary of the English Language, 4th Edition
- n. A European perennial plant (Lychnis flos-cuculi) having opposite clasping leaves and panicles of reddish or white flowers with deeply lobed petals. Also called cuckooflower.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A type of wild campion, Lychnis flos-cuculi, in the family Caryophyllaceae, which grows across Europe and has pink flowers.
from the GNU version of the Collaborative International Dictionary of English
- adj. a plant of the genus Lychnis (Lychnis Flos-cuculi), cultivated for its handsome flowers, which have the petals cut into narrow lobes.
- n. See under Ragged.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. common perennial native to Europe and western Asia having usually pink flowers with ragged petals
From ragged + robin, probably because of the untidy appearance of its petals. (Wiktionary)