1) Boatman 2) Oar 3) Oarer 4) Oarsman 1) Contestant at Henley 2) Oarsman 3) Olympian in a shell 4) Regatta rower 5) Rower 6) Someone who sculls 
• (n.) One who sculls. • (n.) A boat rowed by one man with two sculls, or short oars.
Scull'er noun 1. A boat rowed by one man with two sculls, or short oars. [ R.] Dryden. 2. One who sculls. 
[n] - someone who sculls (moves a long oar pivoted on the back of the boat to propel the boat forward)
noun someone who sculls (moves a long oar pivoted on the back of the boat to propel the boat forward)
A rower who rows with two oars. One in each hand.