Webster's Revised Unabridged Dictionary · 1913

Orange

Orange (or"enj) , noun

[French; compare Italian arancia, arancio, Late Latin arangia, Sp. naranjia, Portuguese laranja; all from Arabic nāranj, Per. nāranj, nārang; compare Sanskrit nāranga orange tree. The o- in French orange is due to confusion with or gold, Latin aurum, because the orange resembles gold in color.]

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.

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.
(Botany) The tree that bears oranges; the orange tree.
3.
The color of an orange; reddish yellow.
Collocations (11)
Mandarin orange , See Mandarin.
Mock orange (Botany) , any species of shrubs of the genus Philadelphus, which have whitish and often fragrant blossoms.
Native orange or Orange thorn (Botany) , an Australian shrub (Citriobatus parviflorus); also, its edible yellow berries.
Orange bird (Zoology) , a tanager of Jamaica (Tanagra zena); -- so called from its bright orange breast.
Orange cowry (Zoology) , a large, handsome cowry (Cypraea aurantia), highly valued by collectors of shells on account of its rarity.
Orange grass (Botany) , an inconspicuous annual American plant (Hypericum Sarothra), having minute, deep yellow flowers.
Orange oil (Chemistry) , 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 (Zoology) , 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).

orange , adjective

Of or pertaining to an orange; of the color of an orange; reddish yellow; as, an orange ribbon.