noun, plural flat·feet for 1, flat·foots for 2, 3.
Examples from the Web for flatfoot
Out of twenty-four who thought they had rheumatism in the feet or legs eighteen proved to be cases of flatfoot.
There was no need to measure them particularly; all they needed was an ordinary set of flatfoot braces.
Before the benevolent physician could reach her, the Flatfoot had taken her in tow, and both were rapidly leaving him.
He'd done nearly five blocks before a flatfoot steps out of a doorway and waves a nightstick at him.Torchy and Vee|Sewell Ford
The Flatfoot, No. 3, approached within a short distance of the wreck, and a line was passed from her to the bow of the Chalmetta.