Definitions for "Ghost Ship"
these are ships that have been involved in a disater at sea of that have sank. There are numerous reports of people seeing ships at sea that are long lost.
an unexplained ghostly ship
A ghost ship, in fiction, is a ship crewed by the not-living. The term may also refer to a real ship that was reported to have been seen – often as an apparition – after sinking, or to a ship found floating with no crew on board.
Any ocean-going vessel that suddenly appears than inexplicably disappears.
a term used for two types of vessels