Citrus Aurantium

Orange Or"ange ([o^]r"[e^]nj), n. [F.; cf. It. arancia, arancio, LL. arangia, Sp. naranjia, Pg. laranja; all fr. Ar. n[=a]ranj, Per. n[=a]ranj, n[=a]rang; cf. Skr. n[=a]ranga orange tree. The o- in F. orange is due to confusion with or gold, L. aurum, because the orange resembles gold in color.] [1913 Webster] 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. [1913 Webster]

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. [1913 Webster]

2. (Bot.) The tree that bears oranges; the orange tree. [1913 Webster]

3. The color of an orange; reddish yellow. [1913 Webster]

{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} (Zo["o]l.), a tanager of Jamaica ({Tanagra zena}); -- so called from its bright orange breast.

{Orange cowry} (Zo["o]l.), a large, handsome cowry ({Cypr[ae]a 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} (Zo["o]l.) 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}). [1913 Webster]