The bed of a tidal river, estuary, or shallow sea such as the Wadden Sea which is uncovered at low tide.

(US) still water

plural of flat out

A small city, the county seat of Sharp County, Arkansas, United States, located in Sharp County and Fulton County.

present participle of flat-foot

Third-person singular simple present indicative form of flat-foot

Alternative form of flatfoot

plural of flat wagon

(rail transport, UK) An open railway wagon without sides and roof, or with very low sides.

(rail transport) a flat wagon designed to carry international shipping containers.