English edit

Etymology edit

flat +‎ water

Adjective edit

flatwater (not comparable)

  1. (canoeing) Of or pertaining to canoe-kayak sprint races in calm water.

Noun edit

flatwater (usually uncountable, plural flatwaters)

  1. (canoeing) Water that is calm, without significant currents or rapids.
    Coordinate terms: quickwater, white water