Western Style Room
noun
A Western style room is a Western style room. We're talking something that's not a tatami mat filled room. Good to know this word if you're staying in hotels or ryokans and prefer not to sleep on a futon, etc.
ようしつ
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.
この家には小さな洋室が三つあります。
This house has three small western style rooms.
洋室にはベッドとデスクがあります。
There are beds and desks in the western style room.
私の部屋は六畳の洋室で、壁の色は私の好きな水色です。
My room is a western style room, about ten square meters, with my favorite color of light blue on the walls.