The Collaborative International Dictionary of English v.0.48:

Row \Row\, v. t. [imp. & p. p. Rowed; p. pr. & vb. n.
   Rowing.] [AS. r?wan; akin to D. roeijen, MHG. r["u]ejen,
   Dan. roe, Sw. ro, Icel. r?a, L. remus oar, Gr. ?, Skr.
   aritra. [root]8. Cf. Rudder.]
   1. To propel with oars, as a boat or vessel, along the
      surface of water; as, to row a boat.
      [1913 Webster]

   2. To transport in a boat propelled with oars; as, to row the
      captain ashore in his barge.
      [1913 Webster]

WordNet (r) 3.0 (2006):

rowing
    n 1: the act of rowing as a sport [syn: rowing, row]

Moby Thesaurus II by Grady Ward, 1.0:

21 Moby Thesaurus words for "rowing":
   boating, canoeing, circumnavigation, coasting, cruising,
   gunkholing, motorboating, navigability, navigating, navigation,
   passage-making, periplus, sailing, sculling, sea travel, seafaring,
   steaming, travel by water, voyaging, water travel, yachting