JMdictDB - Japanese Dictionary DatabaseEntriesSearch | Advanced Search | New Entry | Submissions | Help |
2829931 jmdict A [id=2151617] 青線 あおせん [1][n] blue line [2][n][hist,abbr] area around a red-light district where illegal prostitution occurred (marked on police maps by a blue line\; 1940s-1956) [see=2829930・青線地帯[1]] [3][n] non-legal public waterway (denoted by a blue line on cadastral maps\; sometimes no longer physically existing)