あかせん

赤線

表記・読み：あかせん

1. 1

   red line

   名詞
2. 2

   red-light district (marked by a red line on police maps)

   名詞historical termabbreviation
3. 3

   non-legal public road (denoted by a red line on cadastral maps; sometimes no longer physically existing)

   名詞