millstream
noun
mill·stream ˈmil-ˌstrēm 
1
: a stream whose flow is utilized to run a mill
2
: millrace
Word History
First Known Use
before the 12th century, in the meaning defined at sense 1
millstream
noun
as in millrace
Synonyms & Similar Words
Relevance
- millrace
- canal
- watercourse
- waterway
- aqueduct
- sluice
- flume
- spillway
- raceway
- sluiceway
- torrent
- river
- conduit
- racecourse
- floodway
- tideway
- rivulet
- stream
- channel
- course
- gutter
- swash
- trough