A small variety of shaddock (Citrus maxima), or sometimes other citrus fruits.
Illicit pleasure.
The fruit forbidden to Adam.
Something desired that cannot be had.
The fruit of this tree, smaller than an orange and oblate. In daily usage, it may include other similar citrus fruits like Citrus unshiu (satsuma or mikan) Citrus tangerina (tangerine).
A small citrus tree (Citrus reticulata) with fruit resembling the orange.