scull

scull
    n 1: a long oar that is mounted at the stern of a boat and moved
         left and right to propel the boat forward
    2: each of a pair of short oars that are used by a single
       oarsman
    3: a racing shell that is propelled by sculls
    v 1: propel with sculls; "scull the boat"
    

Scull \Scull\, n. [Of uncertain origin; cf. Icel. skola to
   wash.]
   1. (Naut.)
      (a) A boat; a cockboat. See {Sculler}.
      (b) One of a pair of short oars worked by one person.
      (c) A single oar used at the stern in propelling a boat.
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   2. (Zool.) The common skua gull. [Prov. Eng.]
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Scull \Scull\, v. t. [imp. & p. p. {Sculled}; p. pr. & vb. n.
   {Sculling}.] (Naut.)
   To impel (a boat) with a pair of sculls, or with a single
   scull or oar worked over the stern obliquely from side to
   side.
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Scull \Scull\, v. i.
   To impel a boat with a scull or sculls.
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Scull \Scull\ (sk[u^]l), n. (Anat.)
   The skull. [Obs.]
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Scull \Scull\, n. [See 1st {School}.]
   A shoal of fish. --Milton.
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45 Moby Thesaurus words for "scull":
      boat, canoe, carry sail, catch a crab, circumnavigate, coast,
      cross, cruise, cut a crab, feather, feather an oar, give way,
      go by ship, go on shipboard, go to sea, make a passage, motorboat,
      navigate, oar, pace, paddle, ply, ply the oar, pole, pull, punt,
      row, row away, row dry, run, sail, sail round, sail the sea,
      seafare, ship oars, shoot, sky an oar, steam, steamboat,
      steering oar, sweep, take a voyage, traverse, voyage, yacht