Sentence:  <WSD>Flatties</WSD> were in use on Pamlico and Albemarle Sounds of North Carolina, employed for shoal water fishing and trapping and usually manned by black boatmen ... no duck-hunting or use of guns was allowed by the local white men. 
Meaning of the word marked with <WSD> tags:  A flat-bottomed sloop-rigged sharpie.