西洋 (seiyō) means “Western countries”

More examples

私は西洋の料理をよく食べます。watashi wa sei yō no ryō ri o yo ku ta be ma su

I often eat Western food.

Describes the broad group of countries and regions associated with Europe and North America when viewed from Japan.

欧米ōbei: Europe and North America considered together, especially as a cultural or regional group.

欧米など、日本から見て西方にある国々や地域。ō bei na do nihon ka ra mi te sei hō ni a ru kuni guni ya chi iki

The Sino-Japanese compound 西洋 (seiyō) joins 西 (sei, "west") and 洋 (yō, "ocean"), using 洋 in its extended sense of the Western world.

In everyday English, the West often refers to Europe and North America collectively rather than to every place located west of the speaker.