Op`o*del"doc (?), n. [So called by Paracelsus. The first syllable may be fr. Gr. vegetable juice.]
1.
A kind of plaster, said to have been invented by Mindererus, -- used for external injuries.
[Obs.]
2.
A saponaceous, camphorated liniment; a solution of soap in alcohol, with the addition of camphor and essential oils; soap liniment.
© Webster 1913.