洗面所

Etymology
洗面 washing one's face + 所 place

Noun

 * 1) washroom

Usage notes
洗面所 is usually not used to refer euphemistically to a toilet (for which お手洗い is instead used), but instead is used narrowly to refer to the room where there is a washbasin and one washes one’s hands and face, in contrast to the room (or stall) that houses the toilet or toilets.

Related terms

 * : washbasin
 * : washbasin