The Collaborative International Dictionary
Poonah brush
Poonah painting \Poo"nah paint`ing\ [From Poona, in Bombay Province, India.] A style of painting, popular in England in the 19th century, in which a thick opaque color is applied without background and with scarcely any shading, to thin paper, producing flowers, birds, etc., in imitation of Oriental work.
Note: Hence:
Poonah brush,
painter, etc.