flattie
noun
flat·tie
variants:
or less commonly flatty \ ˈflatē \
plural flatties
Definition of flattie
: 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
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