"tidal flat." YourDictionary, n.d. Web. 17 December 2018. <https://www.yourdictionary.com/tidal-flat>.
tidal flat. (n.d.). Retrieved December 17th, 2018, from https://www.yourdictionary.com/tidal-flat
A nearly flat coastal area that is alternately covered and exposed by tides and consisting of unconsolidated sediments and precipitated salts. A tidal flat is the middle part of a tidal basin, below the vegetation-supporting salt marsh and the low-tide mark.