The Collaborative International Dictionary of English v.0.48:

Barge \Barge\, n. [OF. barge, F. berge, fr. LL. barca, for
   barica (not found), prob. fr. L. baris an Egyptian rowboat,
   fr. Gr. ?, prob. fr. Egyptian: cf. Coptic bari a boat. Cf.
   Bark a vessel.]
   1. A pleasure boat; a vessel or boat of state, elegantly
      furnished and decorated.
      [1913 Webster]

   2. A large, roomy boat for the conveyance of passengers or
      goods; as, a ship's barge; a charcoal barge.
      [1913 Webster]

   3. A large boat used by flag officers.
      [1913 Webster]

   4. A double-decked passenger or freight vessel, towed by a
      steamboat. [U.S.]
      [1913 Webster]

   5. A large omnibus used for excursions. [Local, U.S.]
      [1913 Webster]

WordNet (r) 3.0 (2006):

barge
    n 1: a flatbottom boat for carrying heavy loads (especially on
         canals) [syn: barge, flatboat, hoy, lighter]
    v 1: push one's way; "she barged into the meeting room" [syn:
         barge, thrust ahead, push forward]
    2: transport by barge on a body of water

Moby Thesaurus II by Grady Ward, 1.0:

84 Moby Thesaurus words for "barge":
   amble, boat, bowl along, bundle, bus, cart, clump, coach, drag,
   dray, ferry, float, flounce, foot, footslog, halt, haul,
   hippety-hop, hitch, hobble, hop, jog, jolt, jump, lighter, limp,
   lumber, lunge, lurch, mince, pace, paddle, peg, piaffe, piaffer,
   plod, prance, rack, raft, roll, sashay, saunter, scuff, scuffle,
   scuttle, shamble, ship, shuffle, sidle, single-foot, skip, sled,
   sledge, slink, slither, slog, slouch, stagger, stalk, stamp, stomp,
   straddle, straggle, stride, stroll, strut, stumble, stump, swagger,
   swing, tittup, toddle, totter, traipse, trip, truck, trudge, van,
   waddle, wagon, wamble, wheelbarrow, wiggle, wobble