kankyo
1. drain with an oblong cross-section
Noun
#358759
1. drain with an oblong cross-section
1. Wasn't a flume.; Wasn't a channel.
1. It is not a mailbox.; It is not a channel.
1. Probably a flume.; Probably a channel.
1. Was not a letterbox/channel.; Was not a mailbox/ditch.
1. Was a flume.
1. Letter box.; Mailbox.
1. If/when the channel…; Provided the channel…
1. If/when the flume…; When the channel…
1. Was not a mailbox/channel.; Was not a duct/conduit.