flat·foot
| \ ˈflat-ˌfu̇t (always so in sense 3)
, ˌflat-ˈfu̇t\
plural flatfeet\ ˈflat-ˌfēt
, ˌflat-ˈfēt \
1
: a condition in which the arch of the instep is flattened so that the entire sole rests upon the ground
2
: a foot affected with flatfoot
3a
or plural flatfoots,
slang
: police officer
especially
: a patrolman walking a regular beat