元となった辞書の項目
ダイヤ
noun
(rail transport) Clipping of ダイヤグラム (daiyaguramu, “posted schedule for a form of transportation such as a train or airplane”).
意味（1）
(rail transport) Clipping of ダイヤグラム (daiyaguramu, “posted schedule for a form of transportation such as a train or airplane”).
