- a period when a body of water is between tides.
- water that is free of currents.
Origin of slack water
First recorded in 1760–70
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for slack water
No, sir; it's slack-water; or, rather, the ebb is just beginning to make.The Two Admirals
J. Fenimore Cooper
Every night the river falls from three to six inches, and there are long stretches of slack-water.Afloat on the Ohio
Reuben Gold Thwaites
Then we went down the river as far as the Elbow, where we waited in the slack-water to hail up-bound steamboats.Raftmates
Glen had swum and fished in it, and boated on it, until he knew its every current and slack-water pool.Campmates
They fish around the 'slack-water,' catching the last of the ebb and the first of the flow, and hence drift but little either way.The Hudson
- the period of still water around the turn of the tide, esp at low tide
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012