1. 
[syn: ragged robin, cuckoo flower, Lychnis flos-cuculi, Lychins floscuculi]
The Collaborative International Dictionary of English v.0.48:
Gillyflower \Gil"ly*flow`er\, n. [OE. gilofre, gilofer, clove,
   OF. girofre, girofle, F. girofle: cf. F. girofl['e]e
   gillyflower, fr. girofle, Gr. ? clove tree; ? nut + ? leaf,
   akin to E. foliage. Cf. Caryophyllus, July-flower.]
   [Written also gilliflower.] (Bot.)
   1. A name given by old writers to the clove pink (Dianthus
      Caryophyllus) but now to the common stock (Matthiola
      incana), a cruciferous plant with showy and fragrant
      blossoms, usually purplish, but often pink or white.
      [1913 Webster]
   2. A kind of apple, of a roundish conical shape, purplish red
      color, and having a large core.
   Clove gillyflower, the clove pink.
   Marsh gillyflower, the ragged robin (Lychnis
      Flos-cuculi).
   Queen's gillyflower, or Winter gillyflower, damewort.
   Sea gillyflower, the thrift (Armeria vulgaris).
   Wall gillyflower, the wallflower (Cheiranthus Cheiri).
   Water gillyflower, the water violet.
      [1913 Webster]
The Collaborative International Dictionary of English v.0.48:
Ragged \Rag"ged\ (r[a^]g"g[e^]d), a. [From Rag, n.]
   1. Rent or worn into tatters, or till the texture is broken;
      as, a ragged coat; a ragged sail.
      [1913 Webster]
   2. Broken with rough edges; having jags; uneven; rough;
      jagged; as, ragged rocks.
      [1913 Webster]
   3. Hence, harsh and disagreeable to the ear; dissonant. [R.]
      "A ragged noise of mirth." --Herbert.
      [1913 Webster]
   4. Wearing tattered clothes; as, a ragged fellow.
      [1913 Webster]
   5. Rough; shaggy; rugged.
      [1913 Webster]
            What shepherd owns those ragged sheep? --Dryden.
      [1913 Webster]
   Ragged lady (Bot.), the fennel flower (Nigella
      Damascena).
   Ragged robin (Bot.), a plant of the genus Lychnis
      (Lychnis Flos-cuculi), cultivated for its handsome
      flowers, which have the petals cut into narrow lobes.
   Ragged sailor (Bot.), prince's feather (Polygonum
      orientale).
   Ragged school, a free school for poor children, where they
      are taught and in part fed; -- a name given at first
      because they came in their common clothing. [Eng.]
      [1913 Webster] -- Rag"ged*ly, adv. -- Rag"ged*ness, n.
      [1913 Webster] Raggie
The Collaborative International Dictionary of English v.0.48:
Cuckooflower \Cuck"oo*flow`er\ (-flou`?r), n. (Bot.)
   A species of Cardamine (Cardamine pratensis), or lady's
   smock. Its leaves are used in salads. Also, the ragged robin
   (Lychnis Flos-cuculi).
   [1913 Webster]
WordNet (r) 3.0 (2006):
Lychnis flos-cuculi
    n 1: common perennial native to Europe and western Asia having
         usually pink flowers with ragged petals [syn: ragged
         robin, cuckoo flower, Lychnis flos-cuculi, Lychins
         floscuculi]