Man·da·rin n.
 1. A Chinese public officer or nobleman; a civil or military official in China and Annam.
 7. Bot. A small flattish reddish-orange loose-skinned orange, with an easily separable rind. It is thought to be of Chinese origin, and is counted a distinct species (Citrus reticulata formerly Citrus nobilis); called also mandarin orange and tangerine.
 Mandarin language, the spoken or colloquial language of educated people in China.
 Mandarin yellow Chem., an artificial aniline dyestuff used for coloring silk and wool, and regarded as a complex derivative of quinoline.
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 Or·ange n.
 1. The fruit of a tree of the genus Citrus (Citrus Aurantium).  It is usually round, and consists of pulpy carpels, commonly ten in number, inclosed in a leathery rind, which is easily separable, and is reddish yellow when ripe.
 Note: ☞ There are numerous varieties of oranges; as, the bitter orange, which is supposed to be the original stock; the navel orange, which has the rudiment of a second orange imbedded in the top of the fruit; the blood orange, with a reddish juice; and the horned orange, in which the carpels are partly separated.
 2. Bot. The tree that bears oranges; the orange tree.
 3. The color of an orange; reddish yellow.
 Mandarin orange. See Mandarin.
 Mock orange Bot., any species of shrubs of the genus Philadelphus, which have whitish and often fragrant blossoms.
 Native orange, or Orange thorn Bot., an Australian shrub (Citriobatus parviflorus); also, its edible yellow berries.
 Orange bird Zool., a tanager of Jamaica (Tanagra zena); -- so called from its bright orange breast.
 Orange cowry Zool., a large, handsome cowry (Cypraea aurantia), highly valued by collectors of shells on account of its rarity.
 Orange grass Bot., an inconspicuous annual American plant (Hypericum Sarothra), having minute, deep yellow flowers.
 Orange oil Chem., an oily, terpenelike substance obtained from orange rind, and distinct from neroli oil, which is obtained from the flowers.
 Orange pekoe, a kind of black tea.
 Orange pippin, an orange-colored apple with acid flavor.
 Quito orange, the orangelike fruit of a shrubby species of nightshade (Solanum Quitoense), native in Quito.
 Orange scale Zool. any species of scale insects which infests orange trees; especially, the purple scale (Mytilaspis citricola), the long scale (Mytilaspis Gloveri), and the red scale (Aspidiotus Aurantii).
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 mandarin orange
      n 1: shrub or small tree having flattened globose fruit with very
           sweet aromatic pulp and thin yellow-orange to
           flame-orange rind that is loose and easily removed;
           native to southeastern Asia [syn: mandarin, mandarin
           orange tree, Citrus reticulata]
      2: a somewhat flat reddish-orange loose-skinned citrus of China
         [syn: mandarin]