What does 洗面 mean?
洗面 is a Japanese noun meaning “wash up (one's face), have a wash” in English. It is written as 洗面 in kanji, せんめん in hiragana, and senmen in romaji. This word is part of JLPT N2 vocabulary.
Example sentence
洗面器の水がかちかちに凍った。
The water in the basin has frozen solid.