from
The Collaborative International Dictionary of English v.0.48
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} (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}).
[1913 Webster]
from
The Collaborative International Dictionary of English v.0.48
navel orange \na"vel or"ange\
A type of orange in which the fruit incloses a small
secondary fruit, the rind showing on the exterior a
navel-like pit or depression at the apex. There are several
varieties; they are usually seedless, or nearly so, and are
much grown in California.
[Webster 1913 Suppl.]