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:

Pink \Pink\, n. [Perh. akin to pick; as if the edges of the
   petals were picked out. Cf. Pink, v. t.]
   1. (Bot.) A name given to several plants of the
      caryophyllaceous genus Dianthus, and to their flowers,
      which are sometimes very fragrant and often double in
      cultivated varieties. The species are mostly perennial
      herbs, with opposite linear leaves, and handsome
      five-petaled flowers with a tubular calyx.
      [1913 Webster]

   2. A color resulting from the combination of a pure vivid red
      with more or less white; -- so called from the common
      color of the flower. --Dryden.
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   3. Anything supremely excellent; the embodiment or perfection
      of something. "The very pink of courtesy." --Shak.
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   4. (Zool.) The European minnow; -- so called from the color
      of its abdomen in summer. [Prov. Eng.]
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   Bunch pink is Dianthus barbatus.

   China pink, or Indian pink. See under China.

   Clove pink is Dianthus Caryophyllus, the stock from which
      carnations are derived.

   Garden pink. See Pheasant's eye.

   Meadow pink is applied to Dianthus deltoides; also, to
      the ragged robin.

   Maiden pink, Dianthus deltoides.

   Moss pink. See under Moss.

   Pink needle, the pin grass; -- so called from the long,
      tapering points of the carpels. See Alfilaria.

   Sea pink. See Thrift.
      [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Carnation \Car*na"tion\, n. [F. carnation the flesh tints in a
   painting, It carnagione, fr. L. carnatio fleshiness, fr.
   caro, carnis, flesh. See Carnal.]
   1. The natural color of flesh; rosy pink.
      [1913 Webster]

            Her complexion of the delicate carnation. --Ld.
                                                  Lytton.
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   2. pl. (Paint.) Those parts of a picture in which the human
      body or any part of it is represented in full color; the
      flesh tints.
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            The flesh tints in painting are termed carnations.
                                                  --Fairholt.
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   3. (Bot.) A species of Dianthus (Dianthus Caryophyllus)
      or pink, having very beautiful flowers of various colors,
      esp. white and usually a rich, spicy scent.
      [1913 Webster]

WordNet (r) 3.0 (2006):

Dianthus caryophyllus
    n 1: Eurasian plant with pink to purple-red spice-scented
         usually double flowers; widely cultivated in many varieties
         and many colors [syn: carnation, clove pink,
         gillyflower, Dianthus caryophyllus]