Western Style
noun, な adjective, の adjective
Remember how 風 can mean "style" as in 和風? Well, this is now Western style style, more simply put as Western style.
This is a jukugo word, which usually means on'yomi readings from the kanji. If you know the readings of your kanji you'll know how to read this as well.
今日の夕食は、洋風ポトフです。
Tonight's supper is Western style pot‐au‐feu.
洋風なかんじのオシャレな曲が、洋風のカフェでながれていた。
A refined western-style song was played in a Western style cafe.
私の家は、家具を全て洋風に揃えているので、畳はありません。
My house is entirely furnished in the Western style, so there are no tatami mats.