noun
Western-style painter
Refers to an artist who paints in Western styles (oil painting, watercolor, etc.), as opposed to traditional Japanese painting (日本画).
彼は有名な洋画家で、風景画を得意としている。
He is a famous Western-style painter, specializing in landscapes.
Compound of 洋 (Western) + 画 (painting) + 家 (person who does that).