What does ～号室 mean?
～号室 is a Japanese counter meaning “room ~” in English. It is written as ～号室 in kanji, ～ごうしつ in hiragana, and ～goushitsu in romaji. This word is part of JLPT N4 vocabulary.
Example sentences
私の部屋は三〇五号室です。
My room is room 305.
二〇一号室で会議があります。
There's a meeting in room 201.