What does ダイヤ mean?
ダイヤ is a Japanese noun meaning “diamond” in English. It can also be translated as “a railway timetable” depending on context. It is written as ダイヤ in katakana, and daiya in romaji. This word is part of JLPT N3 vocabulary.
Example sentences
ダイヤの指輪なんて身につけていないけど、私は幸せだ。
I'm not wearing a diamond ring, but I'm happy.
ダイヤが乱れていた。
The timetable was disrupted.