What does ～棟 mean?
～棟 is a Japanese noun meaning “counter for large buildings” in English. It is written as ～棟 in kanji, ～とう in hiragana, and ～tou in romaji. This word is part of JLPT N3 vocabulary.
NoteCounter for buildings (三棟 = three buildings), and the ending in words like 病棟 (hospital ward).
Example sentences
火事で家が三棟焼けた。
Three houses burned down in the fire.
このマンションは二棟ある。
This flat complex has two buildings.