Sentence:  Ah, but when will the first oceangoing boat arrive [in Duluth, Minnesota]? . . . In 2015, the first <WSD>saltie</WSD> to arrive was the Malta-flagged "Kom", which arrived April 13 with a Bulgarian crew to load durum wheat headed for Italy. 
Meaning of the word marked with <WSD> tags:  An ocean-going ship that enters the Great Lakes via the St. Lawrence Seaway.