For*bid"den (?), a.
Prohibited; interdicted.
I kniw no spells, use no forbidden arts.
Milton.
Forbidden fruit. (a) Any coveted unlawful pleasure, -- so called with reference to the forbidden fruit of the Garden of Eden. (b) Bot. A small variety of shaddock (Citrus decumana). The name is given in different places to several varieties of Citrus fruits.
© Webster 1913.