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.
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   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.
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The Collaborative International Dictionary of English v.0.48:

China \Chi"na\, n.
   1. A country in Eastern Asia.
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   2. China ware, which is the modern popular term for
      porcelain. See Porcelain.
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   China aster (Bot.), a well-known garden flower and plant.
      See Aster.

   China bean. See under Bean, 1.

   China clay See Kaolin.

   China grass, Same as Ramie.

   China ink. See India ink.

   China pink (Bot.), an anual or biennial species of
      Dianthus (Dianthus Chiensis) having variously colored
      single or double flowers; Indian pink.

   China root (Med.), the rootstock of a species of Smilax
      (Smilax China, from the East Indies; -- formerly much
      esteemed for the purposes that sarsaparilla is now used
      for. Also the galanga root (from Alpinia Gallanga and
      Alpinia officinarum).

   China rose. (Bot.)
      (a) A popular name for several free-blooming varieties of
          rose derived from the Rosa Indica, and perhaps other
          species.
      (b) A flowering hothouse plant (Hibiscus Rosa-Sinensis)
          of the Mallow family, common in the gardens of China
          and the east Indies.

   China shop, a shop or store for the sale of China ware or
      of crockery.

   Pride of China, China tree. (Bot.) See Azedarach.
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WordNet (r) 3.0 (2006):

china pink
    n 1: Chinese pink with deeply toothed rose-lilac flowers with a
         purplish eye; usually raised as an annual [syn: china
         pink, rainbow pink, Dianthus chinensis]