すいどう

See also: すいとう and ずいどう

Japanese

For pronunciation and definitions of すいどう – see the following entries.
水道
[noun] water service, water supply
[noun] channel
[noun] aqueduct
隧道
[noun] (obsolete) alternative form of 隧道 (zuidō, tunnel)
(This term, すいどう (suidō), is the hiragana spelling of the above terms.)