from
The Collaborative International Dictionary of English v.0.48
Marmalade \Mar"ma*lade\ (m[aum]r"m[.a]*l[=a]d), n. [F.
marmelade, Pg. marmelada, fr. marm['e]lo a quince, fr. L.
melimelum honey apple, Gr. meli`mhlon a sweet apple, an apple
grafted on a quince; me`li honey + mh^lon apple. Cf.
{Mellifluous}, {Melon}.]
A preserve or confection made of the pulp of fruit, as the
quince, pear, apple, orange, etc., boiled with sugar, and
brought to a jamlike consistency.
[1913 Webster]
{Marmalade tree} (Bot.), a sapotaceous tree ({Lucuma
mammosa}) of the West Indies and Tropical America. It has
large obovate leaves and an egg-shaped fruit from three to
five inches long, containing a pleasant-flavored pulp and
a single large seed. The fruit is called {marmalade}, or
natural marmalade, from its consistency and flavor. [1913
Webster]