flattie
noun
flat·tie
variants or less commonly flatty
ˈflatē
plural flatties
: something characterized by flatness: such as
a
: a small working boat peculiar to Chesapeake Bay and more southern waters of the eastern U.S. that is sloop-rigged and that has a flat bottom, straight sides, and a centerboard
b
: flat sense 6e
c
slang : policeman
Word History
Etymology
flat entry 1 + -ie, -y