The Collaborative International Dictionary of English v.0.48:

Azedarach \A*zed"a*rach\, azederach \azederach\, n. [F.
   az['e]darac, Sp. acederaque, Pers. [=a]z[=a]ddirakht noble
   tree.]
   1. (Bot.) a handsome tree (Melia azedarach) of the mahogany
      family, native to Northern India and China, having long
      clusters of fragrant purple blossoms and small ornamental
      but inedible yellow fruits. It has been naturalized as a
      shade tree and is common in the southern United States; --
      called also, chinaberry, China tree, Pride of India,
      Pride of China, and Bead tree.

   Syn: chinaberry, chinaberry tree, China tree, Persian lilac,
        pride-of-India, azedarach, Melia azederach, Melia
        azedarach
        [1913 Webster + WordNet 1.5]

   2. (Med.) The bark of the roots of the azedarach, used as a
      cathartic and emetic.
      [1913 Webster] Azerbaidzhan

The Collaborative International Dictionary of English v.0.48:

China \Chi"na\, n.
   1. A country in Eastern Asia.
      [1913 Webster]

   2. China ware, which is the modern popular term for
      porcelain. See Porcelain.
      [1913 Webster]

   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.
      [1913 Webster]

WordNet (r) 3.0 (2006):

China tree
    n 1: evergreen of tropical America having pulpy fruit containing
         saponin which was used as soap by Native Americans [syn:
         China tree, false dogwood, jaboncillo, chinaberry,
         Sapindus saponaria]
    2: tree of northern India and China having purple blossoms and
       small inedible yellow fruits; naturalized in the southern
       United States as a shade tree [syn: chinaberry, chinaberry
       tree, China tree, Persian lilac, pride-of-India,
       azederach, azedarach, Melia azederach, Melia
       azedarach]