Coxswain
Part of speech: noun
Definition: In a ship's boat, the helmsman given charge of the boat's crew. In a rowing crew, the member who steers the shell and coordinates the power and rhythm of the rowers. The second or third mate of a vessel, in charge of the master's barge. A rank or position.Canadian Navy Coxswain (or Capitaine d'Armes) is the senior non-commissioned officer aboard a shipBritish Royal Navy Cadets Cadet Coxswain is the highest normal rank which may be achieved.
Cox
Part of speech: noun
Definition: A coxswain of a boat, especially of a racing crew.
Part of speech: verb
Definition: To act as coxswain.