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} (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 ({M. Gloveri}),
and the red scale ({Aspidiotus Aurantii}).