What does ダイヤ mean?
ダイヤ is a Japanese noun meaning “diamond” in English. It can also be translated as “train 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
ダイヤの指輪をもらった。
I was given a diamond ring.
大雪で電車のダイヤが乱れている。
The train timetable is disrupted by the heavy snow.