/ hʌlk; NAmE / noun
1.
the main part of an old vehicle, especially a ship, that is no longer used :
the hulk of a wrecked ship
2.
a very large person, especially one who moves in an awkward way :
a great hulk of a man
3.
a very large object, especially one that causes you to feel nervous or afraid
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WORD ORIGIN
Old English hulc fast ship , probably reinforced in Middle English by Middle Low German and Middle Dutch hulk ; probably of Mediterranean origin and related to Greek holkas cargo ship.