noun
Western-style toilet; sitting toilet
Refers to a toilet that one sits on, as opposed to a squat toilet (和式トイレ). Common in modern Japanese homes and public facilities.
このホテルは全室洋式トイレです。
All rooms in this hotel have Western-style toilets.
洋式トイレに慣れている外国人観
Many foreign tourists are accustomed to sitting toilets.