n. A type of chromolithograph, using oil paint on canvas, that attempts to imitate oil painting
the GNU version of the Collaborative International Dictionary of English
n. The form or figure assumed by a drop of oil when placed upon water or some other liquid with which it does not mix.
n. A picture produced in oils by a process analogous to that of lithographic printing.
The Century Dictionary and Cyclopedia
n. A picture produced in oils by a process analogous to that of lithographic printing.
Word Usage
"As soon as the door was opened, I was confronted by a loathsome oleograph of a Neapolitan shepherdess (that same oleograph used to turn up often in the shops where unclaimed objects from the state pawnshop, the Monte di Pietà, are sold)."