The Collaborative International Dictionary of English v.0.48:

Hulk \Hulk\, n. [OE. hulke a heavy ship, AS. hulc a light, swift
   ship; akin to D. hulk a ship of burden, G. holk, OHG. holcho;
   perh. fr. LL. holcas, Gr. ?, prop., a ship which is towed,
   fr. ? to draw, drag, tow. Cf. Wolf, Holcad.]
   1. The body of a ship or decked vessel of any kind; esp., the
      body of an old vessel laid by as unfit for service. "Some
      well-timbered hulk." --Spenser.
      [1913 Webster]

   2. A heavy ship of clumsy build. --Skeat.
      [1913 Webster]

   3. Anything bulky or unwieldly. --Shak.
      [1913 Webster]

   Shear hulk, an old ship fitted with an apparatus to fix or
      take out the masts of a ship.

   The hulks, old or dismasted ships, formerly used as
      prisons. [Eng.] --Dickens.
      [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Hulk \Hulk\, v. t. [Cf. MLG. holken to hollow out, Sw.
   h[*a]lka.]
   To take out the entrails of; to disembowel; as, to hulk a
   hare. [R.] --Beau. & Fl. Hulking

WordNet (r) 3.0 (2006):

hulk
    n 1: a very large person; impressive in size or qualities [syn:
         giant, hulk, heavyweight, whale]
    2: a ship that has been wrecked and abandoned
    v 1: appear very large or occupy a commanding position; "The
         huge sculpture predominates over the fountain"; "Large
         shadows loomed on the canyon wall" [syn: loom, tower,
         predominate, hulk]

Moby Thesaurus II by Grady Ward, 1.0:

52 Moby Thesaurus words for "hulk":
   anatomy, argosy, bark, boat, body, bones, bottom, bucket, carcass,
   clay, clod, corpus, craft, derelict, figure, flesh, form, frame,
   galoot, hooker, hull, jumbo, keel, klutz, leviathan, lout,
   material body, mere wreck, nervous wreck, oaf, ox, packet, person,
   physical body, physique, rattletrap, ruin, ruins, shell, ship,
   shipwreck, skeleton, soma, thumper, torso, trunk, tub, vessel,
   watercraft, whale, whopper, wreck