'millrace' definitions:

Definition of 'millrace'

(from WordNet)
noun
A channel for the water current that turns a millwheel [syn: millrace, millrun]

Definition of 'millrace'

From: GCIDE
  • millrace \millrace\ n. a channel from a millpond to a millwheel, to provide the water current that turns the millwheel.
  • Syn: millrun. [WordNet 1.5] Millree Millrea